FR3157121A1 - Aqueous composition comprising at least one (bi)carbonate and/or (bi)carbonate generating systems and at least one silicate in a particular ratio - Google Patents

Abstract

Aqueous composition comprising at least one (bi)carbonate and/or (bi)carbonate-generating systems and at least one silicate in a particular ratio The invention relates to a composition comprising at least one (bi)carbonate and/or (bi)carbonate-generating systems and at least one silicate in a (bi)carbonate:silicate weight ratio greater than 1.

Description

Aqueous composition comprising at least one (bi)carbonate and/or (bi)carbonate generating systems and at least one silicate in a particular ratio

The invention relates to an aqueous composition comprising at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures and at least one silicate in a particular weight ratio.

The invention also relates to a process for coloring and/or lightening keratin fibers, in particular hair, using this composition.

The invention finally relates to the use of such a composition for coloring and/or lightening keratin fibers, and in particular hair.

For a long time, many people have been looking to change the color of their hair, and in particular to hide their gray hair.

It is known to dye keratin fibers, in particular human keratin fibers such as hair, to obtain so-called permanent colorations with dye compositions containing oxidation dye precursors, in particular oxidation bases, such as ortho- or para-phenylenediamines, ortho- or para-aminophenols or heterocyclic compounds such as pyrazoles, pyrazolinones or pyrazolo-pyridines. These oxidation bases are colorless or weakly colored compounds which, combined with oxidizing products, can give rise to colored compounds by an oxidative condensation process.

It is also possible to vary the shades obtained with these oxidation bases by combining them with couplers or color modifiers. The variety of molecules used in the oxidation bases and couplers allows for a rich palette of colors to be obtained.

However, the implementation of these dye compositions can present a certain number of disadvantages.

Indeed, after application to keratin fibers, the tinctorial power obtained may not be entirely satisfactory, or even weak, and lead to a limited range of colors. Furthermore, they do not give complete satisfaction in terms of cosmetic properties of the hair.

The colors may also not be sufficiently resistant to external agents such as light, shampoos, perspiration and may also be too selective, that is to say that the color difference is too great along the same keratin fiber which is differently sensitized between its tip and its root.

Lightening compounds may not perform well enough to achieve very light shades.

Furthermore, coloring and/or lightening compositions often include raw materials for which regulatory conditions are increasingly strict. It is therefore necessary to develop compositions including alternative compounds.

Consumers are also looking for more environmentally friendly coloring and/or lightening products, particularly those based on ingredients of natural origin, and which have good usability qualities, are easy to use and lead to good coloring and/or lightening properties.

The formulation of environmentally friendly cosmetic products, i.e. those whose design and development take environmental issues into account, is becoming a major concern in helping to meet global challenges.

It is therefore essential to offer more sustainable compositions that can respond to these environmental challenges.

Thus, there is a real need to provide a composition for coloring and/or lightening keratin fibers, in particular human keratin fibers such as hair, which is more environmentally friendly and does not have the drawbacks mentioned above, i.e. which is capable of leading to good color build-up, intensity and chromaticity when it comprises one or more colorants and/or good lightening performance while having low selectivity and good tenacity and which is capable of leading to good dyeing performance, or good lightening performance, making it possible, in particular, to obtain aesthetic blondes, even after a storage period, while having good usage qualities and leading to good cosmetic properties, in particular, in terms of homogeneity of the smooth feel.

These and other aims are achieved by the present invention which therefore relates to an aqueous composition comprising:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1.

Preferably, the composition according to the invention is a composition for coloring keratin fibers, in particular hair.

The composition according to the invention makes it possible in particular to produce powerful and non-selective chromatic colorations, i.e. colorations which are homogeneous along the fiber. It also makes it possible to achieve different shades in a very wide range of colors, natural, reflective and chromatic shades. In addition, it allows good color build-up.

This composition also allows for particularly good coverage of depigmented keratin fibers, such as white hair.

Furthermore, the composition according to the invention has good qualities of use, in particular a creamy texture allowing quick and easy mixing with an oxidizing composition if necessary, easy and homogeneous distribution over the entire head of hair. The composition according to the invention has good stability over time, in particular little change, or even no change, in its viscosity during storage. Furthermore, the composition has a homogeneous texture over time.

The composition according to the invention may also be a composition for lightening keratin fibers and in particular hair.

The applicant surprisingly found that the composition according to the present invention made it possible to obtain effective lightening of keratin fibers with a more neutralized (less yellow) and more natural result.
Furthermore, the composition according to the invention is more respectful of the quality of the fibers by minimizing their degradation in particular.

By " chemical oxidizing agent " according to the invention is meant an oxidizing agent other than atmospheric oxygen.

Other objects, characteristics, aspects and advantages of the invention will appear even more clearly on reading the description and examples which follow.

In what follows, and unless otherwise indicated, the limits of a domain of values are included in this domain, in particular in the expressions “between” and “ranging from … to …”.

Furthermore, the expression " at least one " used in this description is equivalent to the expression " one or more ".

For the purposes of the present invention, and unless otherwise indicated:

▪ "keratin fibers" means fibers of human or animal origin such as hair, body hair, eyelashes, eyebrows, wool, angora, cashmere or fur. According to the present invention, the keratin fibers are preferably human keratin fibers, more preferably hair;

▪ by “(bi)carbonate” we mean a carbonate or a bicarbonate;

▪ by "silicate" we mean a salt of a silicic acid.

▪ "salt" means an addition salt with an organic or mineral acid or base. The addition salts with an acid are in particular chosen from addition salts with acids such as hydrochloric acid, hydrobromic acid, sulfuric acid, citric acid, succinic acid, tartaric acid, lactic acid, tosylic acid, benzenesulfonic acid, phosphoric acid or acetic acid. The addition salts with a base are in particular chosen from addition salts with bases such as the alkalizing agents described below, in particular alkali metal hydroxides, alkaline earth metal hydroxides, ammonia, amines or alkanolamines.

▪ "direct dye" means a natural and/or synthetic dye, including in the form of extract(s), different from oxidation dyes. These are colored compounds that will diffuse superficially on the fiber. They can be ionic or non-ionic, i.e. anionic, cationic, neutral or non-ionic.

The expressions "at least one" and "one or more" are synonymous and can be used interchangeably.

The expressions “between … and …”, “includes from … to …”, “formed from … to …”, and “ranging from … to …” must be understood inclusively, unless otherwise specified.

The terms "lightening" and "bleaching" are synonymous and can be used interchangeably.

(Bicarbonate

The composition according to the invention comprises one or more compounds chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures.

A "carbonate generating system" means a system that generates carbonate in situ, such as carbon dioxide in water or percarbonate in water.

A "bicarbonate generating system" means a system that generates bicarbonate in situ, such as from carbon dioxide in water or by buffering a carbonate with a mineral or organic acid.

Preferably, the composition according to the invention comprises one or more compounds chosen from carbonates, bicarbonates and their mixtures.

Preferably, the carbonate(s) are chosen from:
- alkali metal carbonates;
- alkaline earth metal carbonates;
- lanthanide carbonates;
- transition metal carbonates;
- bismuth carbonate;
- cadmium carbonate;
- thallium carbonate;
- zinc carbonate;
- compounds of formula (N ⁺ R ¹ R ² R ³ R ⁴ ) ₂ , CO ₃ ^2- in which R ¹ , R ² , R ³ and R ⁴ represent, independently of each other, a hydrogen atom or a (C ₁ -C ₄ )alkyl group optionally substituted by a hydroxyl group;
- guanidine carbonate;
- their mixtures.

More preferably, the carbonate(s) are chosen from sodium carbonate, potassium carbonate, cesium carbonate, lithium carbonate, magnesium carbonate, calcium carbonate, barium carbonate, strontium carbonate, cerium carbonate, lanthanum carbonate, yttrium carbonate, copper(II) carbonate, manganese carbonate, nickel carbonate, silver carbonate, zirconium carbonate, bismuth carbonate, cadmium carbonate, thallium carbonate, zinc carbonate, ammonium carbonate, guanidine carbonate, tetraethylammonium carbonate and mixtures thereof.

Even more preferably, the carbonate(s) are chosen from sodium carbonate, potassium carbonate, cesium carbonate, magnesium carbonate, calcium carbonate, cerium carbonate, manganese carbonate, zinc carbonate, ammonium carbonate, guanidine carbonate and mixtures thereof.

More preferably, the carbonate(s) are chosen from sodium carbonate, potassium carbonate, magnesium carbonate, calcium carbonate, ammonium carbonate and mixtures thereof.

According to a preferred embodiment, the composition according to the invention comprises one or more compounds chosen from bicarbonates, bicarbonate-generating systems and their mixtures, preferably from bicarbonates.

Preferably, the bicarbonate(s) are chosen from:
- alkali metal bicarbonates;
- alkaline earth metal bicarbonates;
- compounds of formula N ⁺ R ¹ R ² R ³ R ⁴ , HCO ₃ ^- in which R ¹ , R ² , R ³ and R ⁴ represent, independently of each other, a hydrogen atom or a (C ₁ -C ₄ )alkyl group optionally substituted by a hydroxyl group;
- aminoguanidine bicarbonate;
- their mixtures.

More preferably, the bicarbonate(s) are chosen from sodium bicarbonate, potassium bicarbonate, lithium bicarbonate, cesium bicarbonate, calcium bicarbonate, magnesium bicarbonate, ammonium bicarbonate, choline bicarbonate, triethylammonium bicarbonate, aminoguanidine bicarbonate and mixtures thereof.

Even more preferably, the bicarbonate(s) are chosen from sodium bicarbonate, potassium bicarbonate, cesium bicarbonate, calcium bicarbonate, magnesium bicarbonate, ammonium bicarbonate and mixtures thereof.

More preferably, the bicarbonate(s) are chosen from sodium bicarbonate, potassium bicarbonate, ammonium bicarbonate and their mixtures.

Preferably, the bicarbonate included in the composition is ammonium bicarbonate.

Bicarbonates can come from natural water, for example spring water from the Vichy basin, from La Roche Posay, or from Badoit water.

Preferably, the composition according to the invention comprises one or more compounds chosen from ammonium carbonate, ammonium bicarbonate and their mixtures.

Better still, the composition according to the invention comprises ammonium bicarbonate.

Preferably, the total content of compounds chosen from (bi)carbonates, (bi)carbonate-generating systems and their mixtures varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight relative to the total weight of the composition.

Preferably, the total content of compounds chosen from carbonates, carbonate-generating systems and their mixtures varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of compounds chosen from bicarbonates, bicarbonate-generating systems and their mixtures varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of compounds chosen from carbonates, bicarbonates and their mixtures, when present, varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of compounds chosen from carbonates and their mixtures, when present, varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of compounds chosen from bicarbonates and their mixtures, when present, varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of compounds chosen from ammonium carbonate, ammonium bicarbonate and their mixtures, when present, varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of ammonium bicarbonate, when present, varies from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight, relative to the total weight of the composition.

Silicate

The composition according to the invention comprises at least one silicate.

The silicate(s) are preferably water-soluble.

By "water-soluble silicate" is meant a silicate which has a solubility in water at ordinary room temperature (25°C) and atmospheric pressure (760 mm Hg) greater than 0.5% by weight, preferably greater than 1% by weight.

Preferably, the silicate(s) are chosen from alkali metal silicates, alkaline earth metal silicates, aluminum silicates, trimethylammonium silicates and mixtures thereof.

More preferably, the silicate(s) are chosen from sodium silicates, potassium silicates, calcium silicates, aluminum silicates, trimethylammonium silicates and mixtures thereof.

Even more preferably, the silicate(s) are chosen from sodium silicates.

Preferably, the silicate(s) are chosen from the compounds having the INCI name Sodium Silicate (CAS: [1344-09-8]) and/or Sodium Metasilicate (CAS: [6834-92-0]).

The silicate(s) are present in the composition preferably in a total content ranging from 0.1% to 30% by weight, more preferably ranging from 0.5% to 20% by weight, even more preferably ranging from 1% to 15% by weight, most preferably ranging from 2% to 10% by weight relative to the total weight of the composition.

Preferably, the composition comprises one or more silicates chosen from the compounds having the INCI name Sodium Silicate and/or Sodium Metasilicate in a total content ranging from 0.1% to 30% by weight, more preferably ranging from 0.5% to 20% by weight, even more preferably ranging from 1% to 15% by weight, most preferably ranging from 2% to 10% by weight relative to the total weight of the composition.

The weight ratio of total quantity of (bi)carbonate(s) and/or (bi)carbonate(s) generating system(s) / total quantity of silicate(s) is preferably greater than or equal to 1.2, more preferably greater than or equal to 1.5, better between 1.5 and 20, even better between 2 and 15, more preferably between 2.5 and 10, even more preferably between 3 and 5, better between 3 and 4.

The weight ratio of total quantity of carbonate(s) and/or carbonate generating system(s) / total quantity of silicate(s) is preferably greater than or equal to 1.2, more preferably greater than or equal to 1.5, better between 1.5 and 20, even better between 2 and 15, more preferably between 2.5 and 10, even more preferably between 3 and 5, better between 3 and 4.

The weight ratio of total quantity of bicarbonate(s) and/or bicarbonate-generating system(s) / total quantity of silicate(s) is preferably greater than or equal to 1.2, more preferably greater than or equal to 1.5, better between 1.5 and 20, even better between 2 and 15, more preferably between 2.5 and 10, even more preferably between 3 and 5, better between 3 and 4.

The weight ratio of total quantity of carbonate(s) / total quantity of silicate(s) is preferably greater than or equal to 1.2, more preferably greater than or equal to 1.5, better between 1.5 and 20, even better between 2 and 15, more preferably between 2.5 and 10, even more preferably between 3 and 5, better between 3 and 4.

The weight ratio of total quantity of bicarbonate(s) / total quantity of silicate(s) is preferably greater than or equal to 1.2, more preferably greater than or equal to 1.5, better between 1.5 and 20, even better between 2 and 15, more preferably between 2.5 and 10, even more preferably between 3 and 5, better between 3 and 4.

Preferably, the total content of (bi)carbonates, (bi)carbonate-generating systems and their mixtures and of silicates and their mixtures varies from 5 to 30% by weight, preferably from 8 to 28% by weight, more preferably from 10 to 25% by weight, better still from 15 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of carbonates, carbonate-generating systems and their mixtures and of silicate and their mixtures varies from 5 to 30% by weight, preferably from 8 to 28% by weight, more preferably from 10 to 25% by weight, better still from 15 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of bicarbonates, bicarbonate-generating systems and silicate and their mixtures varies from 5 to 30% by weight, preferably from 8 to 28% by weight, more preferably from 10 to 25% by weight, better still from 15 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of carbonates and silicates and their mixtures varies from 5 to 30% by weight, preferably from 8 to 28% by weight, more preferably from 10 to 25% by weight, better still from 15 to 20% by weight, relative to the total weight of the composition.

Preferably, the total content of bicarbonates and silicate and their mixtures varies from 5 to 30% by weight, preferably from 8 to 28% by weight, more preferably from 10 to 25% by weight, better still from 15 to 20% by weight, relative to the total weight of the composition.

Water

The composition according to the invention is an aqueous composition, it preferably comprises a water content varying from 15% to 80%, preferably from 20% to 70%, more preferably from 30 to 65% by weight, better still from 35% to 60% by weight of the total weight of the composition.

The composition according to the invention preferably has a pH less than or equal to 11, preferably less than or equal to 10.5.

The pH of the composition according to the invention preferably varies from 8 to 11, preferably from 8 to 10.5.

According to a particularly preferred embodiment, the pH of the composition according to the invention varies from 9 to 10.5.

Fatty substances other than fatty acids

The composition according to the invention may further comprise one or more fatty substances other than fatty acids.

Preferably, the composition according to the invention further comprises one or more fatty substances other than fatty acids.

By " fatty substance " is meant an organic compound insoluble in water at 25°C and at atmospheric pressure (1,013.105 Pa) (solubility less than 5% by weight, and preferably less than 1% by weight, even more preferably less than 0.1% by weight). They have in their structure at least one hydrocarbon chain comprising at least 6 carbon atoms and/or a chain of at least two siloxane groups. In addition, fatty substances are generally soluble in organic solvents under the same temperature and pressure conditions, such as for example chloroform, dichloromethane, carbon tetrachloride, ethanol, benzene, toluene, tetrahydrofuran (THF), vaseline oil or decamethylcyclopentasiloxane.

The fatty substances which can be used in the present invention are neither (poly)oxyalkylenated nor (poly)glycerolated.

Preferably, the fatty substances useful according to the invention are non-silicone.

The term “non-silicone fatty substance” means a fatty substance not containing Si-O bonds and the term “silicone fatty substance” means a fatty substance containing at least one Si-O bond.

The fatty substances useful according to the invention may be liquid fatty substances (or oils) and/or solid fatty substances. Liquid fatty substance means a fatty substance having a melting point less than or equal to 25°C and at atmospheric pressure (1,013.105 Pa) and solid fatty substance means a fatty substance having a melting point greater than 25°C at atmospheric pressure (1,013.105 Pa).

For the purposes of the present invention, the melting point corresponds to the temperature of the most endothermic peak observed in thermal analysis (differential scanning calorimetry or DSC) as described in the ISO 11357-3; 1999 standard. The melting point can be measured using a differential scanning calorimeter (DSC), for example the calorimeter sold under the name “MDSC 2920” by the company TA Instruments. In the present application, all melting points are determined at atmospheric pressure (1,013.105 Pa).

More particularly, the liquid fatty body(ies) may be chosen from C6 to C16 liquid hydrocarbons, liquid hydrocarbons comprising more than 16 carbon atoms, non-silicone oils of animal origin, triglyceride type oils of vegetable or synthetic origin, fluorinated oils, liquid fatty alcohols, liquid esters of fatty acid and/or fatty alcohol other than triglycerides, and mixtures thereof.

It is recalled that alcohols, esters and fatty acids more particularly have at least one hydrocarbon group, linear or branched, saturated or unsaturated, comprising from 6 to 40, better still from 8 to 30 carbon atoms, optionally substituted, in particular by one or more hydroxyl groups (in particular 1 to 4). If they are unsaturated, these compounds may comprise one to three carbon-carbon double bonds, conjugated or not.

With regard to liquid C6 to C16 hydrocarbons, these may be linear, branched, possibly cyclic, and are preferably chosen from alkanes. For example, mention may be made of hexane, cyclohexane, undecane, dodecane, isododecane, tridecane, isoparaffins such as isohexadecane, isodecane, and mixtures thereof.

Liquid hydrocarbons comprising more than 16 carbon atoms may be linear or branched, of mineral or synthetic origin, and are preferably chosen from paraffin or vaseline oils (or mineral oil), polydecenes, hydrogenated polyisobutene such as Parléam®, and their mixtures.

As hydrocarbon oils of animal origin, we can cite perhydrosqualene.

Triglyceride oils of vegetable or synthetic origin are preferably chosen from liquid triglycerides of fatty acids containing 6 to 30 carbon atoms such as triglycerides of heptanoic or octanoic acids or, for example, sunflower, corn, soybean, pumpkin, grape seed, sesame, hazelnut, apricot, macadamia, arara, sunflower, castor, avocado oils, triglycerides of caprylic/capric acids such as those sold by the company Stearineries Dubois or those sold under the names Miglyol® 810, 812 and 818 by the company Dynamit Nobel, shea butter oil, and mixtures thereof.

As regards fluorinated oils, these may be chosen from perfluoromethylcyclopentane and perfluoro-1,3 dimethylcyclohexane, sold under the names “FLUTEC® PC1” and “FLUTEC® PC3” by the company BNFL Fluorochemicals; perfluoro-1,2-dimethylcyclobutane; perfluoroalkanes such as dodecafluoropentane and tetradecafluorohexane, sold under the names “PF 5050®” and “PF 5060®” by the company 3M, or bromoperfluorooctyl sold under the name “FORALKYL®” by the company Atochem; nonafluoro-methoxybutane and nonafluoroethoxyisobutane; perfluoromorpholine derivatives, such as 4-trifluoromethyl perfluoromorpholine sold under the name “PF 5052®” by the company 3M.

The liquid fatty alcohols suitable for implementing the invention are more particularly chosen from saturated or unsaturated, linear or branched, preferably unsaturated or branched alcohols containing from 6 to 40 carbon atoms, preferably from 8 to 30 carbon atoms. These fatty alcohols are neither oxyalkylenated nor glycerolated. Examples that may be mentioned are octyldodecanol, 2-butyloctanol, 2-hexyldecanol, 2-undecylpentadecanol, isostearyl alcohol, oleyl alcohol, linoleyl alcohol, ricinoleyl alcohol, undecylenic alcohol or linoleyl alcohol, and mixtures thereof. Preferably, oleyl alcohol will be used.

As regards the liquid esters of fatty acids and/or fatty alcohols, other than the triglycerides mentioned above, mention may be made in particular of esters of saturated or unsaturated aliphatic mono or polyacids, linear in C1 to C26 or branched in C3 to C26 and of saturated or unsaturated aliphatic mono or polyalcohols, linear in C1 to C26 or branched in C3 to C26, the total number of carbons of the esters being greater than or equal to 6, more advantageously greater than or equal to 10.

Preferably, for monohydric alcohol esters, at least one of the alcohol or the acid is branched.

Monoesters include dihydroabietyl behenate; octyldodecyl behenate; isocetyl behenate; isostearyl lactate; lauryl lactate; linoleyl lactate; oleyl lactate; isostearyl octanoate; isocetyl octanoate; octyl octanoate; decyl oleate; isocetyl isostearate; isocetyl laurate; isocetyl stearate; isodecyl octanoate; isodecyl oleate; isononyl isononanoate; isostearyl palmitate; methyl acetyl ricinoleate; octyl isononanoate; 2-ethylhexyl isononate; octyldodecyl erucate; oleyl erucate; ethyl and isopropyl palmitates, such as ethyl-2-hexyl palmitate, 2-octyldecyl palmitate; alkyl myristates such as 2-octyldodecyl isopropyl myristate; isobutyl stearate; 2-hexyldecyl laurate, and mixtures thereof.

Preferably, among the monoesters of monoacids and monoalcohols, ethyl and isopropyl palmitates, alkyl myristates such as isopropyl or ethyl myristate, isocetyl stearate, ethyl-2-hexyl isononanoate, isodecyl neopentanoate, isostearyl neopentanoate, and mixtures thereof will be used.

Also useful are esters of C4 to C22 di- or tricarboxylic acids and C1 to C22 alcohols and esters of mono-, di-, or tricarboxylic acids and C2 to C26 di-, tri-, tetra-, or pentahydroxy alcohols.

Examples include: diethyl sebacate; diisopropyl sebacate; diisopropyl adipate; di-n-propyl adipate; dioctyl adipate; diisostearyl adipate; dioctyl maleate; glyceryl undecylenate; octyldodecyl stearoyl stearate; pentaerythrityl monoricinoleate; pentaerythrityl tetraisononanoate; pentaerythrityl tetrapelargonate; pentaerythrityl tetraisostearate; pentaerythrityl tetraoctanoate; propylene glycol dicaprylate; propylene glycol dicaprate, tridecyl erucate; triisopropyl citrate; triisotearyl citrate; glyceryl trilactate; glyceryl trioctanoate; trioctyldodecyl citrate; trioleyl citrate; propylene glycol dioctanoate; neopentyl glycol diheptanoate; diethylene glycol diisocyanate; polyethylene glycol distearates, and mixtures thereof.

The composition may also comprise, as fatty ester, esters and diesters of sugars of C6 to C30 fatty acids, preferably C12 to C22. It is recalled that the term “sugar” means oxygenated hydrocarbon compounds which have several alcohol functions, with or without aldehyde or ketone function, and which contain at least 4 carbon atoms. These sugars may be monosaccharides, oligosaccharides or polysaccharides other than the anionic polysaccharides described below.

Suitable sugars include, for example, sucrose (or saccharose), glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose, lactose, and their derivatives, in particular alkylated ones, such as methylated derivatives such as methylglucose.

The esters of sugars and fatty acids may be chosen in particular from the group comprising the esters or mixtures of esters of sugars described above and of C6 to C30, preferably C12 to C22, linear or branched, saturated or unsaturated fatty acids. If they are unsaturated, these compounds may comprise one to three carbon-carbon double bonds, conjugated or not.

The esters can also be chosen from mono-, di-, tri- and tetra-esters, polyesters and their mixtures.

These esters may be, for example, oleate, laurate, palmitate, myristate, behenate, cocoate, stearate, linoleate, linolenate, caprate, arachidonate, or mixtures thereof, such as in particular the mixed esters oleo-palmitate, oleo-stearate, palmito-stearate.

More particularly, mono- and di-esters are used, and in particular mono- or di-oleate, stearate, behenate, oleopalmitate, linoleate, linolenate, oleostearate, of sucrose, glucose or methylglucose, and mixtures thereof.

An example is the product sold under the name Glucate® DO by the company Amerchol, which is a methylglucose dioleate.

Preferably, a liquid ester of monobasic acid and monoalcohol will be used.

Preferably, the fatty substances other than the fatty acids useful according to the invention are chosen from liquid fatty substances, preferably from liquid hydrocarbons containing more than 16 carbon atoms, liquid fatty alcohols and vegetable oils.

Solid fatty substances preferably have a viscosity greater than 2 Pa.s, measured at 25°C and at a shear rate of 1 s-1.

The solid fatty body(ies) are preferably chosen from solid fatty alcohols, solid esters of fatty acids and/or fatty alcohols, waxes, ceramides and mixtures thereof.

By "fatty alcohol" is meant a long-chain aliphatic alcohol comprising from 6 to 40 carbon atoms, preferably from 8 to 30 carbon atoms and comprising at least one hydroxyl group OH. These fatty alcohols are neither oxyalkylenated nor glycerolated.

The solid fatty alcohols may be saturated or unsaturated, linear or branched, and comprise from 8 to 40 carbon atoms, preferably from 10 to 30 carbon atoms. Preferably, the solid fatty alcohols have the structure R-OH with R denoting a linear alkyl group, optionally substituted by one or more hydroxyl groups, comprising from 8 to 40, preferably from 10 to 30 carbon atoms, better still from 10 to 30, or even from 12 to 24 atoms, even better still from 14 to 22 carbon atoms.

The solid fatty alcohols that may be used are preferably chosen from saturated or unsaturated, linear or branched (mono)alcohols, preferably linear and saturated, containing from 8 to 40 carbon atoms, better still from 10 to 30, or even from 12 to 24 atoms, even better still from 14 to 22 carbon atoms.

The solid fatty alcohols that may be used may be chosen from, alone or in a mixture: myristic or myristyl alcohol (or 1-tetradecanol); cetyl alcohol (or 1-hexadecanol); stearyl alcohol (or 1-octadecanol); arachidyl alcohol (or 1-eicosanol); behenyl alcohol (or 1-docosanol); lignoceryl alcohol (or 1-tetracosanol); ceryl alcohol (or 1-hexacosanol); montanyl alcohol (or 1-octacosanol); myricyl alcohol (or 1-triacontanol).

Preferably, the solid fatty alcohol is chosen from cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, arachidyl alcohol and mixtures thereof, such as cetylstearyl or cetearyl alcohol. In a particularly preferred manner, the solid fatty alcohol is chosen from cetyl alcohol, stearyl alcohol, mixtures thereof, such as cetylstearyl or cetearyl alcohol.

The solid fatty acid and/or fatty alcohol esters that may be used are preferably chosen from esters derived from C9-C26 carboxylic fatty acid and/or C9-C26 fatty alcohol.

Preferably, these solid fatty esters are esters of a saturated, linear or branched carboxylic acid containing at least 10 carbon atoms, preferably 10 to 30 carbon atoms and more particularly 12 to 24 carbon atoms, and of a saturated, linear or branched monoalcohol containing at least 10 carbon atoms, preferably 10 to 30 carbon atoms and more particularly 12 to 24 carbon atoms. The saturated carboxylic acids may optionally be hydroxylated, and are preferably monocarboxylic acids.

Esters of C4-C22 di- or tricarboxylic acids and C1-C22 alcohols and esters of mono-, di- or tricarboxylic acids and C2-C26 di-, tri-, tetra- or pentahydroxy alcohols may also be used.

Examples include octyldodecyl behenate, isocetyl behenate, cetyl lactate, stearyl octanoate, octyl octanoate, cetyl octanoate, decyl oleate, hexyl stearate, octyl stearate, myristyl stearate, cetyl stearate, stearyl stearate, octyl pelargonate, cetyl myristate, myristyl myristate, stearyl myristate, diethyl sebacate, diisopropyl sebacate, diisopropyl adipate, di n-propyl adipate, dioctyl adipate, dioctyl maleate, dioctyl, octyl palmitate, myristyl palmitate, cetyl palmitate, stearyl palmitate, and mixtures thereof.

Preferably, the solid fatty acid and/or fatty alcohol esters are chosen from C9-C26 alkyl palmitates, in particular myristyl, cetyl and stearyl palmitates; C9-C26 alkyl myristates such as cetyl myristate, stearyl myristate and myristyl myristate; C9-C26 alkyl stearates, in particular myristyl, cetyl and stearyl stearates; and mixtures thereof.

A wax, within the meaning of the present invention, is a lipophilic compound, solid at 25°C and atmospheric pressure, with a reversible solid/liquid state change, having a melting point above about 40°C and up to 200°C, and having an anisotropic crystalline organization in the solid state. Generally speaking, the size of the wax crystals is such that the crystals diffract and/or scatter light, giving the composition comprising them a more or less opaque cloudy appearance. By bringing the wax to its melting temperature, it is possible to make it miscible with oils and to form a microscopically homogeneous mixture, but by bringing the temperature of the mixture back to room temperature, a recrystallization of the wax is obtained, detectable microscopically and macroscopically (opalescence).

In particular, the waxes suitable for the invention may be chosen from waxes of animal, vegetable, mineral origin, non-silicone synthetic waxes and their mixtures.

Examples include hydrocarbon waxes, such as beeswax, especially of biological origin, lanolin wax, and Chinese insect waxes; rice bran wax, carnauba wax, candelilla wax, ouricury wax, alfa wax, berry wax, shellac wax, japan wax and sumac wax; montan wax, orange and lemon waxes, microcrystalline waxes, paraffins and ozokerite; polyethylene waxes, waxes obtained by Fisher-Tropsch synthesis and waxy copolymers, as well as their esters.

In addition, microcrystalline waxes in C20 to C60, such as Microwax HW, can be mentioned.

We can also mention the PM 500 polyethylene wax marketed under the reference Permalen 50-L polyethylene.

Mention may also be made of waxes obtained by catalytic hydrogenation of animal or vegetable oils having linear or branched fatty chains, from C8 to C32. Among these, mention may be made in particular of isomerized jojoba oil, such as trans isomerized partially hydrogenated jojoba oil, in particular that manufactured or marketed by the company Desert Whale under the commercial reference Iso-Jojoba-50®, hydrogenated sunflower oil, hydrogenated castor oil, hydrogenated coconut oil, hydrogenated lanolin oil, and di-(trimethylol-1,1,1 propane) tetrastearate, in particular that sold under the name Hest 2T-4S® by the company HETERENE.

Waxes obtained by hydrogenation of castor oil esterified with cetyl alcohol can also be used, such as those sold under the names Phytowax ricin 16L64® and 22L73® by the company SOPHIM.

As a wax, a C20 to C40 alkyl (hydroxystearyloxy)stearate (the alkyl group comprising 20 to 40 carbon atoms) can also be used, alone or in a mixture. Such a wax is sold in particular under the names “Kester Wax K 82 P®”, “Hydroxypolyester K 82 P®” and “Kester Wax K 80 P®” by the company KOSTER KEUNEN.

It is also possible to use microwaxes in the compositions of the invention; we can cite in particular carnauba microwaxes, such as that marketed under the name MicroCare 350® by the company MICRO POWDERS, synthetic wax microwaxes, such as that marketed under the name MicroEase 114S® by the company MICRO POWDERS, microwaxes consisting of a mixture of carnauba wax and polyethylene wax, such as those marketed under the names Micro Care 300® and 310® by the company MICRO POWDERS, microwaxes consisting of a mixture of carnauba wax and synthetic wax, such as that marketed under the name Micro Care 325® by the company MICRO POWDERS, polyethylene microwaxes, such as those marketed under the names Micropoly 200®, 220®, 220L® and 250S® by the company MICRO POWDERS and polytetrafluoroethylene microwaxes, such as those marketed under the names Microslip 519® and 519 L® by the company MICRO POWDERS.

The waxes are preferably chosen from mineral waxes such as paraffin wax, vaseline wax, lignite wax or ozokerite; vegetable waxes such as cocoa butter or cork or sugar cane fiber waxes, olive wax, rice wax, hydrogenated jojoba wax, Ouricoury wax, Carnauba wax, Candelila wax, Alfa wax, or absolute flower waxes such as blackcurrant flower essential wax sold by the company BERTIN (France); waxes of animal origin such as beeswax or modified beeswax (cerabellina), spermaceti, lanolin wax and lanolin derivatives; microcrystalline waxes; and mixtures thereof.

Ceramides or ceramide analogues such as glycoceramides, which may be used in the compositions according to the invention, are known; mention may be made in particular of ceramides of classes I, II, III and V according to the DAWNING classification.

Ceramides or their analogues that may be used preferably correspond to the following formula: R³CH(OH)CH(CH₂GOLD²)(NHCOR¹), in which:
R ¹ denotes an alkyl group, linear or branched, saturated or unsaturated, derived from C fatty acids₁₄-C₃₀, this group being able to be substituted by a hydroxyl group in the alpha position, or a hydroxyl group in the omega position esterified by a saturated or unsaturated fatty acid in C₁₆-C₃₀;
R ² denotes a hydrogen atom, a (glycosyl)n group, a (galactosyl)m group or a sulfogalactosyl group, in which n is an integer ranging from 1 to 4 and m is an integer ranging from 1 to 8;
R ³ denotes a C hydrocarbon group₁₅-C₂₆, saturated or unsaturated in the alpha position, this group being able to be substituted by one or more C alkyl groups₁-C₁₄; it being understood that in the case of natural ceramides or glycoceramides, R3 may also denote a C alpha-hydroxyalkyl group₁₅-C₂₆, the hydroxyl group being optionally esterified by an alpha-hydroxy acid at C₁₆-C₃₀.

More particularly preferred ceramides are compounds for whichR1denotes a saturated or unsaturated alkyl derived from C fatty acids₁₆-C₂₂;R ² denotes a hydrogen atom andR ³ denotes a saturated linear group in C₁₅.

Preferably, ceramides are used for which R ¹ denotes a saturated or unsaturated alkyl group derived from C ₁₄ -C ₃₀ fatty acids; R ² denotes a galactosyl or sulfogalactosyl group; and R ³ denotes a -CH=CH-(CH2) ₁₂ -CH3 group.

Compounds for whichR ¹ denotes a saturated or unsaturated alkyl radical derived from C fatty acids₁₂-C₂₂;R ² denotes a galactosyl or sulfogalactosyl radical andR ³ denotes a C hydrocarbon radical₁₂-C₂₂, saturated or unsaturated and preferably a -CH=CH-(CH2) group₁₂-CH3.

Particularly preferred compounds that may also be mentioned are 2-N-linoleoylamino-octadecane-1,3-diol; 2-N-oleoylamino-octadecane-1,3-diol; 2-N-palmitoylamino-octadecane-1,3-diol; 2-N-stearoylamino-octadecane-1,3-diol; 2-N-behenoylamino-octadecane-1,3-diol; 2-N-[2-hydroxy-palmitoyl]-amino-octadecane-1,3-diol; 2-N-stearoyl amino-octadecane-1,3,4 triol and in particular N-stearoyl phytosphingosine 2-N-palmitoylamino-hexadecane-1,3-diol, N-linoleoyldihydrosphingosine, N-oleoyldihydrosphingosine, N-palmitoyldihydrosphingosine, N-stearoyldihydrosphingosine, and N-behenoyldihydrosphingosine, N-docosanoyl N-methyl-D-glucamine, N-(2-hydroxyethyl)-N-(3-cetyloxy-2-hydroxypropyl)cetyl acid amide and bis-(N-hydroxyethyl N-cetyl) malonamide; and mixtures thereof. Preferably, N-oleoyldihydrosphingosine will be used.

The solid fatty bodies are preferably chosen from solid fatty alcohols, waxes, preferentially from solid fatty alcohols, in particular from cetyl alcohol, stearyl alcohol and their mixtures such as cetylstearyl or cetearyl alcohol.

Butters can also be used.

For the purposes of the present invention, the term “butter” (also called “pasty fat”) means a lipophilic fatty compound with a reversible solid/liquid state change and comprising, at a temperature of 25°C and atmospheric pressure (760 mm Hg), a liquid fraction and a solid fraction. Preferably, the butter(s) according to the invention have a melting start temperature greater than 25°C and an end melting temperature less than 60°C.

Preferably the particular butter(s) are of vegetable origin such as those described in Ullmann's Encyclopedia of Industrial Chemistry (“Fats and Fatty Oils”, A. Thomas, Published Online: 15 JUN 2000, DOI: 10.1002/14356007.a10_173, item 13.2.2.2. Shea Butter, Borneo Tallow, and Related Fats (Vegetable Butters)).

We can cite more particularly shea butter, Nilotica Shea butter ( Butyrospermum parkii ), Galam butter ( Butyrospermum parkii ), Borneo butter or fat or tengkawang tallow) ( Shorea stenoptera ), Shorea butter, Illipé butter, Madhuca butter or Bassia Madhuca longifolia , mowrah butter ( Madhuca Latifolia ), Katiau butter ( Madhuca mottleyana ), Phulwara butter ( M. butyracea ), mango butter ( Mangifera indica) , Murumuru butter ( Astrocaryum murumuru ), Kokum butter ( Garcinia Indica ), Ucuuba butter ( Virola sebifera ), Tucuma butter, Painya butter (Kpangnan) ( Pentadesma butyracea ), coffee butter ( Coffea arabica ), apricot butter ( Prunus Armeniaca ), macadamia butter ( Macadamia Ternifolia ), grape seed butter ( Vitis vinifera ), avocado butter ( Persea gratissima ), olive butter ( Olea europaea ), sweet almond butter ( Prunus amygdalus dulcis ) and cocoa butter sunflower butter.

Shea butter is an example of a favorite butter.

Shea butter is commonly extracted from the fruits (also called "almonds" or "nuts") of the Butyrospemim Parkii tree. Each fruit contains between 45 and 55% fat, which is usually extracted and refined.

According to a preferred embodiment, the fatty bodies other than the fatty acids useful according to the invention are chosen from solid fatty bodies, preferably from solid fatty alcohols, waxes, preferentially from solid fatty alcohols.

The total content of the fatty body(ies) other than fatty acids preferably varies from 5 to 60% by weight, more preferably from 10 to 55% by weight, and better still from 15 to 50% by weight, relative to the total weight of the composition.

Preferably, the composition according to the invention comprises one or more solid fatty bodies other than fatty acids, the total content of the solid fatty body(ies) other than fatty acids preferably varying from 5 to 40% by weight, more preferably from 8 to 35% by weight, and better still from 10 to 20% by weight, relative to the total weight of the composition.

Preferably, the composition according to the invention comprises one or more liquid fatty substances other than fatty acids, the total content of the liquid fatty substance(s) other than fatty acids preferably varying from 0.1 to 60% by weight, more preferably from 0.5 to 50% by weight, and better still from 1 to 40% by weight, even better still from 2 to 30% by weight relative to the total weight of the composition.

According to a preferred embodiment, the composition according to the invention comprises one or more solid fatty bodies other than fatty acids, preferably chosen from waxes, solid fatty alcohols and their mixtures, preferentially from solid fatty alcohols and their mixtures and one or more liquid fatty bodies other than fatty acids, preferably chosen from liquid hydrocarbons containing more than 16 carbon atoms, liquid fatty alcohols, vegetable oils and their mixtures.

Sequestrants

The composition according to the invention may, in addition, comprise at least one sequestering (or chelating) agent.

Preferably, the composition according to the invention comprises one or more sequestering agent(s).

The definition of a “sequestering agent” (or “chelating agent”) is well known to those skilled in the art and refers to a compound or mixture of compounds capable of forming a chelate with a metal ion. A chelate is an inorganic complex in which a compound (the sequestering or chelating agent) is coordinated to a metal ion, i.e. it forms one or more bonds with the metal ion (formation of a cycle including the metal ion).

A sequestering (or chelating) agent generally comprises at least two electron donor atoms which allow the formation of bonds with the metal ion.

In the context of the present invention, the sequestering agent(s) may be chosen from carboxylic acids, preferably aminocarboxylic acids, phosphonic acids, preferably aminophosphonic acids, polyphosphoric acids, preferably linear polyphosphoric acids, their salts and derivatives.

Salts include alkali metal, alkaline earth metal, ammonium, and substituted ammonium salts.

Examples of carboxylic acid-based chelating agents include the following compounds: diethylenetriamine pentaacetic acid (DTPA), ethylenediamine disuccinic acid (EDDS) and trisodium ethylenediamine disuccinate such as Octaquest E30 from OCTEL, ethylenediaminetetraacetic acid (EDTA), and its salts such as disodium EDTA, tetrasodium EDTA, ethylenediamine-N,N'-diglutaric acid (EDDG), glycinamide-N,N'-disuccinic acid (GADS), glycinamide-N,N'-disuccinic acid (GADS), 2-hydroxypropylenediamine-N,N'-disuccinic acid (HPDDS), ethylenediamine-N-N'-bis(ortho-hydroxyphenyl acetic acid) (EDDHA), N,N'-bis(2-hydroxybenzyl)ethylenediamine-N,N'-diacetic acid (HBED), nitrilotriacetic acid (NTA), methylglycine diacetic acid (MGDA), N-2-hydroxyethyl N,N diacetic acid and glyceryl imino diacetic acid (as described in EP-A-317,542 and EP-A-399,133), iminodiacetic acid-N-2-hydroxypropyl sulfonic acid and aspartic acid N-carboxymethyl N-2-hydroxypropyl-3-sulfonic acid (as described in EP-A-516,102), beta-alanine-N,N'-diacetic acid, aspartic acid-N,N'-diacetic acid, aspartic acid-N-monoacetic acid (described in EP-A-509,382), iminodisuccinic acid chelators (IDSA) (as described in EP-A-509,382), ethanoldiglycine acid, phosphonobutane tricarboxylic acid such as the compound marketed by Bayer under the reference Bayhibit AM, N,N-dicarboxymethyl glutamic acid and its salts such as tetrasodium glutamate diacetate (GLDA) such as Dissolvine GL38 or 45S from Akzo Nobel.

Examples of mono- or polyphosphonic acid-based chelating agents include the following compounds: diethylenetriamine-penta (methylene phosphonic acid) (DTPMP), ethane-1-hydroxy-1,1,2-triphosphonic acid (E1HTP), ethane-2-hydroxy-1,1,2-triphosphonic acid (E2HTP), ethane-1-hydroxy-1,1-triphosphonic acid (EHDP), ethan-1,1,2-triphosphonic acid (ETP), ethylenediaminetetramethylene phosphonic acid (EDTMP), hydroxyethane-1,1 diphosphonic acid (HEDP, or etidronic acid), and salts such as disodium etidronate, tetrasodium etidronate

Examples of polyphosphoric acid-based chelators include the following compounds: sodium tripolyphosphate (STP), tetrasodium diphosphate, hexametaphosphoric acid, sodium metaphosphate, phytic acid.

According to one embodiment, the sequestering agent(s) useful according to the invention are phosphorus sequestering agents, i.e. sequestering agents which comprise one or more phosphorus atoms, preferably at least two phosphorus atoms.

The phosphorus sequestering agent(s) used in the composition according to the invention are preferably chosen from:
- inorganic phosphorus derivatives preferably chosen from phosphates and pyrophosphates of alkali or alkaline-earth metals, preferably of alkali metals such as sodium pyrophosphate, potassium pyrophosphate, sodium pyrophosphate decahydrate; and polyphosphates of alkali or alkaline-earth metals, preferably of alkali metals, such as sodium hexametaphosphate, sodium polyphosphate, sodium tripolyphosphate, sodium trimetaphosphate; optionally hydrated, and mixtures thereof;
- organic phosphorus derivatives, such as organic (poly)phosphates and (poly)phosphonates, such as etidronic acid and/or its alkali or alkaline earth metal salts such as tetrasodium etidronate, disodium etidronate and mixtures thereof.

Preferably, the phosphorus sequestering agent(s) is (are) chosen from linear or cyclic compounds comprising at least two phosphorus atoms covalently linked together by at least one linker L comprising at least one oxygen atom and/or at least one carbon atom.

The phosphorus sequestering agent(s) may be chosen from inorganic phosphorus derivatives, preferably comprising at least 2 phosphorus atoms. More preferably, the phosphorus sequestering agent(s) is/are chosen from alkali or alkaline earth metal pyrophosphates, better still from alkali metal pyrophosphates, in particular sodium pyrophosphate (also called tetrasodium pyrophosphate).

The phosphorus sequestering agent(s) may be chosen from organic phosphorus derivatives, preferably comprising at least 2 phosphorus atoms. More preferably, the phosphorus sequestering agent(s) is/are chosen from etidronic acid (also called 1-hydroxyethane 1,1-diphosphonic acid) and/or its alkali metal or alkaline earth metal salts, preferably alkali metal salts such as tetrasodium etidronate and disodium etidronate.

Thus, preferably, the phosphorus sequestering agent(s) are chosen from alkali metal pyrophosphates, etidronic acid and/or its alkali metal salts, and a mixture of these compounds.

Particularly preferably, the phosphorus sequestering agent(s) are chosen from tetrasodium etidronate, disodium etidronate, etidronic acid, tetrasodium pyrophosphate and a mixture of these compounds.

According to the present invention, the sequestering agents are preferably chosen from diethylenetriamine pentaacetic acid (DTPA) and its salts, diethylenediamine tetraacetic acid (EDTA) and its salts, ethylenediamine disuccinic acid (EDDS) and its salts, etidronic acid and its salts, N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures.

More preferably, the sequestering agent(s) are chosen from diethylenediamine tetraacetic acid (EDTA) and its salts, N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures, better still, from N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures.

Among the salts of these compounds, the alkali metal salts are preferred, and in particular the sodium or potassium salts.

When the composition comprises one or more sequestrants, the total content of the sequestrant(s) preferably varies from 0.001 to 15% by weight, more preferably from 0.005 to 10% by weight, better still from 0.01 to 8% by weight, even better still from 0.05 to 5% by weight relative to the total weight of the composition.

Anionic surfactants

The composition according to the invention may further comprise one or more anionic surfactants.

Preferably, the composition according to the present invention comprises one or more anionic surfactants.

The term " anionic surfactant " means a surfactant comprising only anionic groups as ionic or ionizable groups. These anionic groups are preferably chosen from the groups CO2H, CO2-, SO3H, SO3-, OSO3H, OSO3-, H2PO3, HPO3-, PO32-, H2PO2, HPO2-, PO22-, POH and PO-.

Examples of anionic surfactants that can be used in the composition according to the invention include alkyl sulfates, alkyl ether sulfates, alkylamidoether sulfates, alkylarylpolyether sulfates, monoglyceride sulfates, alkylsulfonates, alkylamidesulfonates, alkylarylsulfonates, alpha-olefin sulfonates, paraffin sulfonates, alkylsulfosuccinates, alkylethersulfosuccinates, alkylamidesulfosuccinates, alkylsulfoacetates, acylsarcosinates, acylglutamates, alkylsulfosuccinamates, acyl isethionates and N-alkyl(C1-C4)-N-acyltaurates, salts of alkyl monoesters and polyglycoside-polycarboxylic acids, acyllactylates, D-galactoside-uronic acid salts, alkyl ether-carboxylic acid salts, alkyl aryl ether-carboxylic acid salts, alkyl amidoether-carboxylic acid salts; fatty acid salts, and the corresponding unsalified forms of all these compounds; the alkyl and acyl groups of all these compounds (unless otherwise stated) generally having from 6 to 24 carbon atoms and the aryl group generally denoting a phenyl group.

These compounds can be oxyethylenated and then preferably comprise from 1 to 50 ethylene oxide units.

The salts of C ₆ -C ₂₄ alkyl monoesters and polyglycoside-polycarboxylic acids may be chosen from C ₆ -C ₂₄ alkyl polyglycoside-citrates, C ₆ -C ₂₄ alkyl polyglycoside-tartrates and C ₆ -C ₂₄ alkyl polyglycoside-sulfosuccinates.

When the anionic surfactant(s) are in salt form, they may be chosen from alkali metal salts such as sodium or potassium salt and preferably sodium salt, ammonium salts, amine salts and in particular amino alcohol salts or alkaline earth metal salts such as magnesium salt.

Examples of amino alcohol salts include mono-, di- and triethanolamine salts, mono-, di- or tri-isopropanolamine salts, 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1,3-propanediol and tris(hydroxymethyl)aminomethane salts.

Preferably, salts of alkali or alkaline earth metals are used, particularly sodium or magnesium salts.

Any anionic surfactants present may be mild anionic surfactants, i.e. without sulfate function.

As regards mild anionic surfactants, mention may be made in particular of the following compounds and their salts, as well as their mixtures: polyoxyalkylenated alkyl ether carboxylic acids; polyoxyalkylenated alkylaryl ether carboxylic acids; polyoxyalkylenated alkylamido ether carboxylic acids, in particular those comprising 2 to 50 ethylene oxide groups; alkyl D-galactoside uronic acids; acylsarcosinates, acylglutamates; and alkylpolyglycoside carboxylic esters.

In particular, polyoxyalkylenated alkyl ether carboxylic acids may be used, such as lauryl ether carboxylic acid (4.5 EO) marketed, for example, under the name AKYPO RLM 45 CA from KAO.

Any anionic surfactants present may be carboxylic acids comprising at least 6 carbon atoms, also called fatty acids, possibly in salified form.

For the purposes of the present invention, the term “fatty acid” means an acid comprising at least one linear or branched, saturated or unsaturated hydrocarbon chain, such as alkyl or alkenyl, comprising at least 6 carbon atoms, preferably from 8 to 24 carbon atoms, and better still from 10 to 22 carbon atoms.

The carboxylic acids comprising at least 6 carbon atoms (or fatty acids) according to the invention are neither (poly)oxyalkylenated nor (poly)glycerolated; in particular, they are not (poly)oxyethylenated nor (poly)oxypropylenated.

They preferably have the structure R-COOH in which R denotes a linear or branched alkyl or alkenyl group, C ₇ -C ₂₉ , preferably C ₇ -C ₂₃ , preferentially C ₉ -C ₂₁ , better still C ₉ -C ₁₇ .

Preferably, the fatty acid according to the invention is chosen from linear, saturated or unsaturated fatty acids, C ₁₀ -C ₂₂ , in particular C ₁₀ -C ₁₈ (R is a linear alkyl or alkenyl in C ₉ -C ₂₁ , or even in C ₉ -C ₁₇ ).

Examples include lauric (or dodecanoic), myristic (or tetradecanoic), palmitic (or cetyl), stearic or octadecanoic acids, oleic acid, and mixtures thereof. Myristic acid, palmitic acid, stearic acid, and mixtures thereof will preferably be used.

Among the anionic surfactants mentioned above, fatty acids are preferably used.

When the composition comprises one or more anionic surfactants, preferably, the total content of anionic surfactant(s) in the composition preferably varies from 0.01 to 15% by weight, more preferably from 0.1 to 10% by weight, better still from 0.2 to 8% by weight, even better still from 0.25 to 6% by weight relative to the total weight of the composition.

When the composition comprises one or more anionic surfactants chosen from fatty acids, preferably, the total content of fatty acids in the composition preferably varies from 0.01 to 15% by weight, more preferably from 0.1 to 10% by weight, better still from 0.2 to 8% by weight, even better still from 0.25 to 6% by weight relative to the total weight of the composition.

Nonionic surfactants

The composition according to the present invention may further comprise one or more non-ionic surfactants.

Preferably, the composition according to the invention comprises one or more non-ionic surfactants.

The non-ionic surfactant(s) which can be used in the composition of the present invention are described in particular, for example, in “Handbook of Surfactants” by M.R. PORTER, published by Blackie & Son (Glasgow and London), 1991, pp. 116-178.

Examples of non-ionic surfactants include the following compounds, alone or in mixtures:
- oxyalkylenated alkyl(C ₈ -C ₂₄ )phenols;
- _C8 to _C30 fatty alcohols, saturated or not, linear or branched, oxyalkylenated and/or glycerolated, they preferably comprise one or two fatty chains;
- _C8 to _C30 fatty acid amides, saturated or unsaturated, linear or branched, oxyalkylenated;
- esters of _C8 to _C30 fatty acids, saturated or unsaturated, linear or branched, and of polyethylene glycols;

- esters of _C8 to _C30 fatty acids, saturated or unsaturated, linear or branched, and of (poly)glycerol;
- esters of _C8 to _C30 fatty acids, saturated or unsaturated, linear or branched, and of sorbitol, preferably oxyethylenated;
- fatty acid esters, in particular C ₈ -C ₂₄ , and preferably C ₁₆ -C ₂₂ , and (poly)oxyalkylenated glycerol ethers, in particular oxyethylenated and/or oxypropylenated
- esters of fatty acids and sucrose,
- alkylpolyglycosides,
- oxyethylenated vegetable oils, saturated or not;
- ethylene oxide and/or propylene oxide condensates;
- derivatives of N -alkyl(C ₈ -C ₃₀ )glucamine and N -acyl(C ₈ -C ₃₀ )-methylglucamine;
- amine oxides, such as (C10-14 alkyl)amine oxides or N-( _{C10-14 acyl} )aminopropylmorpholine oxides.

Preferably, the composition according to the invention comprises one or more non-ionic surfactants chosen from non-ionic surfactants of alkylpolyglycoside type.

The non-ionic surfactants of alkylpolyglycoside type which can be used according to the invention are chosen from the compounds of the following general formula: R ₁ O-(R ₂ O)t-(G)v in which:
- R ₁ represents a linear or branched alkyl or alkenyl radical containing 6 to 24 carbon atoms, in particular 8 to 18 carbon atoms, or an alkylphenyl radical of which the linear or branched alkyl radical contains 6 to 24 carbon atoms, in particular 8 to 18 carbon atoms;
- R ₂ represents an alkylene radical containing 2 to 4 carbon atoms,
- G represents a sugar unit comprising 5 to 6 carbon atoms,
- t denotes a value ranging from 0 to 10, preferably from 0 to 4,
- v denotes a value ranging from 1 to 15, preferably from 1 to 4.

Preferably, the alkyl(poly)glycoside nonionic surfactants are compounds of the formula described above in which:
- R ₁ denotes a saturated or unsaturated, linear or branched alkyl radical containing from 8 to 18 carbon atoms,
- R ₂ represents an alkylene radical containing 2 to 4 carbon atoms,
- t denotes a value ranging from 0 to 3, preferably equal to 0,
- G denotes glucose, fructose or galactose, preferably glucose;
- the degree of polymerization, that is to say the value of v, which can range from 1 to 15, preferably from 1 to 4; the average degree of polymerization being more particularly between 1 and 2, and better still from 1.1 to 1.5 on average.

The glucosidic bonds between the sugar units are generally of the 1-6 or 1-4 type, preferably of the 1-4 type.

Preferably, the alkyl(poly)glycoside is an alkyl(poly)glucoside.

Preferably, the non-ionic surfactants are chosen from (C ₆ -C ₂₄ alkyl)polyglycosides, such as coco glucoside, caprylyl/capryl glucoside, lauryl glucoside, decyl glucoside and cetearyl glucoside, and mixtures thereof.

Preferably, the composition comprises one or more non-ionic surfactants chosen from (C ₆ -C ₂₄ alkyl)(poly)glycosides, alone or as a mixture, and more particularly (C ₈ -C ₁₈ alkyl)(poly)glycosides.

Commercial products include products sold by the company COGNIS under the names PLANTAREN® (600 CS/U, 1200 and 2000) or PLANTACARE® (818, 1200 and 2000); products sold by the company SEPPIC under the names ORAMIX CG 110 and ORAMIX® NS 10; the products sold by the company BASF under the name LUTENSOL GD 70, the products sold by the company CHEM Y under the name AG10 LK, the products sold by the company EVONIK GOLDSCHMIDT under the trade names TEGO CARE CG 90 or TEGO CARE CG 90 MB, the products sold by the company SEPPIC under the trade names Montanov® 68, Montanov® 68 MB, Montanov® 14 or Montanov® 202, or the products sold by the company BASF under the name Emulgade® PL 68/50.

Preferably, the composition according to the invention comprises one or more non-ionic surfactants chosen from non-ionic surfactants of the oxyalkylenated and/or glycerolated _C8 to _C30 fatty alcohol type.

For the purposes of the invention, fatty alcohol means an alcohol comprising at least 6 carbon atoms, preferably 8 to 30 carbon atoms, preferably 10 to 28 carbon atoms and even more preferably 12 to 24 carbon atoms.

Preferably, the fatty alcohols useful according to the invention are polyoxyalkylated.

The polyoxyalkylenated fatty alcohols preferably have a number of alkylene oxide units, in particular C _2-4 , better still C _2-3 , greater than or equal to 2, better still ranging from 2 to 100, more preferably ranging from 2 to 50, better still from 2 to 30, even better still from 2 to 20.

Preferably, the polyoxyalkylenated fatty alcohols are chosen from oxyethylenated fatty alcohols, the fatty chain of the fatty alcohol of which is C ₈ -C ₃₀ , preferably C ₁₀ -C ₂₈ , more preferably C ₁₂ -C ₂₄ , saturated or unsaturated, linear or branched and comprising at least 2 oxyethylene groups, such as, for example, the addition products of ethylene oxide with lauryl alcohol, in particular those comprising from 2 to 100 oxyethylene groups and more particularly those comprising from 4 to 50 oxyethylene groups (Laureth-4 in CTFA name); the addition products of ethylene oxide with behenyl alcohol, in particular those comprising from 4 to 100 oxyethylene groups and more particularly those comprising from 6 to 30 oxyethylene groups (Beheneth-6 to Beheneth-30 in CTFA names); addition products of ethylene oxide with cetearyl alcohol (mixture of cetyl alcohol and stearyl alcohol), in particular those containing from 4 to 100 oxyethylene groups (Ceteareth-4 to Ceteareth-100 in CTFA names); addition products of ethylene oxide with cetyl alcohol, in particular those containing from 4 to 100 oxyethylene groups and more particularly those containing from 4 to 45 oxyethylene groups (Ceteth-4 to Ceteth-45 in CTFA names); addition products of ethylene oxide with stearyl alcohol, in particular those containing from 2 to 100 oxyethylene groups (Steareth-2 to Steareth-100 in CTFA names); addition products of ethylene oxide with isostearyl alcohol, in particular those comprising from 4 to 50 oxyethylene groups (Isosteareth-4 to Isosteareth-50 in CTFA names); addition products of ethylene oxide with decyl alcohol, in particular that comprising 4 to oxyethylene groups (Deceth-4 in CTFA name); addition products of ethylene oxide with oleyl alcohol, in particular those comprising from 4 to 150 oxyethylene groups and more particularly those comprising from 4 to 106 oxyethylene groups (Oleth-4 to Oleth-106 in CTFA names); ethylene oxide addition products with isocetyl alcohol having from 4 to 30 oxyethylene groups (for example Isoceteh-4, Isoceteh-10, Isoceteth-15, Isoceteth-20, Isoceteh-25) and mixtures thereof.

Better still, the polyoxyalkylenated alcohol or fatty alcohols are chosen from addition products of ethylene oxide with cetyl alcohol, addition products of ethylene oxide with stearyl alcohol and their mixture and in particular those comprising from 2 to 100 oxyethylene groups, preferably from 2 to 20 oxyethylene groups, and their mixtures, better still ceteth-10, steareth-20, steareth-2 and their mixtures.

Preferably, the nonionic surfactants are chosen from C fatty alcohols₈to C₃₀ oxyalkylenated and/or glycerolated, C fatty acid esters₈to C₃₀, saturated or not, linear or branched, and (poly)glycerol, alkylpolyglycosides and their mixtures

Preferably, when it(they) is(are) present, the total content of the non-ionic surfactant(s) varies from 0.01 to 15% by weight, preferably from 0.1 to 10% by weight, more preferably from 0.2 to 8% by weight, better still from 0.3 to 6% by weight relative to the total weight of the composition.

Preferably, when it(they) is(are) present, the total content of the non-ionic surfactant(s) of alkylpolyglycoside type varies from 0.01 to 15% by weight, preferably from 0.1 to 10% by weight, more preferably from 0.2 to 8% by weight, better still from 0.3 to 6% by weight relative to the total weight of the composition.

Preferably, when it(they) is(are) present, the total content of the non-ionic surfactant(s) of the oxyalkylenated and/or glycerolated _C8 to _C30 fatty alcohol type varies from 0.01 to 15% by weight, preferably from 0.1 to 10% by weight, more preferably from 0.2 to 8% by weight, better still from 0.3 to 6% by weight relative to the total weight of the composition.

Preferably, when it(they) is(are) present, the total content of the non-ionic surfactant(s) of oxyalkylenated C ₈ to C ₃₀ fatty alcohol type varies from 0.01 to 15% by weight, preferably from 0.1 to 10% by weight, more preferably from 0.2 to 8% by weight, better still from 0.3 to 6% by weight relative to the total weight of the composition.

Dyes

The composition according to the invention may, in addition, comprise one or more colorant(s).

Preferably, the composition according to the invention comprises one or more colorants.

The dyes are chosen from direct dyes, oxidation dyes and their mixtures.

Preferably, when present, the dyes are chosen from direct dyes.

These direct dyes can be synthetic or natural.

By " direct dye " we mean colored species. These are dyes that will diffuse superficially onto the fiber.

These synthetic direct dyes are, for example, chosen from those conventionally used in direct coloring, and among which we can cite all the aromatic and/or non-aromatic dyes in common use such as nitrobenzene, azo, hydrazono, nitro(hetero)aryl, tri(hetero)arylmethane, (poly)methine, carbonyl, azine, porphyrinic, metalloporphyrinic, xanthenic, quinonic and in particular anthraquinone, indoamine, phthalocyanic direct dyes and their mixtures.

Among the nitrobenzene direct dyes, mention may be made of: 1,4-diamino-2-nitrobenzene, 1-amino-2 nitro-4-ß-hydroxyethylaminobenzene; 1-amino-2 nitro-4-bis(β-hydroxyethyl)-aminobenzene; 1,4-bis(ß -hydroxyethylamino)-2-nitrobenzene; 1-ß-hydroxyethylamino-2-nitro-4-bis-(β-hydroxyethylamino)-benzene; 1-ß-hydroxyethylamino-2-nitro-4-aminobenzene; 1-β-hydroxyethylamino-2-nitro-4-(ethyl)(ß-hydroxyethyl)-aminobenzene; 1-amino-3-methyl-4-β-hydroxyethylamino-6-nitrobenzene; 1-amino-2-nitro-4-β-hydroxyethylamino-5-chlorobenzene; 1,2-Diamino-4-nitrobenzene; 1-Amino-2-β-hydroxyethylamino-5-nitrobenzene; 1,2-bis-(β-hydroxyethylamino)-4-nitrobenzene; 1-Amino-2-tris-(hydroxymethyl)-methylamino-5-nitrobenzene; 1-Hydroxy-2-amino-5-nitrobenzene; 1-Hydroxy-2-amino-4-nitrobenzene; 1-Hydroxy-3-nitro-4-aminobenzene; 1-Hydroxy-2-amino-4,6-dinitrobenzene; 1-β-Hydroxyethyloxy-2-β-hydroxyethylamino-5-nitrobenzene; 1-Methoxy-2-β-hydroxyethylamino-5-nitrobenzene; 1-β-Hydroxyethyloxy-3-methylamino-4-nitrobenzene; 1-β,γ-dihydroxypropyloxy-3-methylamino-4-nitrobenzene; 1-β-hydroxyethylamino-4-β,γ-dihydroxypropyloxy-2-nitrobenzene; 1-β,γ-dihydroxypropylamino-4-trifluoromethyl-2-nitrobenzene; 1-β-hydroxyethylamino-4-trifluoromethyl-2-nitrobenzene; 1-β-hydroxyethylamino-3-methyl-2-nitrobenzene; 1-β-aminoethylamino-5-methoxy-2-nitrobenzene; 1-Hydroxy-2-chloro-6-ethylamino-4-nitrobenzene; 1-Hydroxy-2-chloro-6-amino-4-nitrobenzene; 1-Hydroxy-6-bis-(β-hydroxyethyl)-amino-3-nitrobenzene; 1-β-hydroxyethylamino-2-nitrobenzene; 1-Hydroxy-4-β-hydroxyethylamino-3-nitrobenzene.

Among the azo direct dyes, we can cite: Basic Red 51, Basic Orange 31, Disperse Red 17, Acid Yellow 9, Acid Black 1, Basic Red 22, Basic Red 76, Basic Yellow 57, Acid Yellow 36, Acid Orange 7, Acid Red 33, Acid Red 35, Acid Yellow 23, Acid Orange 24, Disperse Black 9, Basic Brown 16, Basic Brown 17.

Among the direct hydrazono dyes, we can mention: Basic Yellow 87.

Among the aryl nitrated direct dyes, we can cite: HC Blue 2, HC Yellow 2, HC Red 3, 4-hydroxypropylamino-3-nitrophenol, N,N' -bis-(2-hydroxyethyl)-2-nitro-phenylenediamine.

Among the triarylmethane direct dyes, we can cite: Basic Violet 1, Basic Violet 2, Basic Violet 3, Basic Violet 4, Basic Violet 14, Basic Blue 1, Basic Blue 7, Basic Blue 26, Basic green 1, Basic Blue 77 (also called HC Blue 15), Acid Blue 1; Acid Blue 3; Acid Blue 7, Acid Blue 9; Acid Violet 49; Acid green 3; Acid green 5; Acid Green 50; tetrabromophenol blue.

Xanthene dyes include: Acid Red 92; Acid Red 52.

Quinone direct dyes include: Disperse Red 15, Solvent Violet 13, Acid Violet 43, Disperse Violet 1, Disperse Violet 4, Disperse Blue 1, Disperse Violet 8, Disperse Blue 3, Disperse Red 11, Acid Blue 62, Disperse Blue 7, Basic Blue 22, Disperse Violet 15, Basic Blue 99, and the following compounds: 1-N-methylmorpholiniumpropylamino-4-hydroxyanthraquinone, 1-aminopropylamino-4-methylaminoanthraquinone, 1-aminopropylamino-anthraquinone, 5-β-hydroxyethyl-1,4-diaminoanthraquinone, 2-aminoethylamino-anthraquinone, 1,4-bis-(β,γ-dihydroxypropylamino)-anthraquinone, Acid Blue 25, Acid Blue 43, Acid Blue 78, Acid Blue 129, Acid Blue 138, Acid Blue 140, Acid Blue 251, Acid Green 25, Acid Green 41, Acid Violet 42, Mordant Red 3, Acid Black 48, HC Blue 16.

Among the direct azine dyes, we can mention: Basic Blue 17, Basic Red 2.

Indoamine direct dyes include: 2-β-hydroxyethylamino-5-[bis-(β-4'-hydroxyethyl)amino]anilino-1,4-benzoquinone, 2-β-hydroxyethylamino-5-(2'-methoxy-4'-amino)anilino-1,4-benzoquinone, 3-N(2'-chloro-4'-hydroxy)phenyl-acetylamino-6-methoxy-1,4-benzoquinone imine, 3-N(3'-chloro-4'-methylamino)phenyl-ureido-6-methyl-1,4-benzoquinone imine, 3-[4'-N-(ethyl,carbamylmethyl)-amino]-phenyl-ureido-6-methyl-1,4-benzoquinone imine.

Natural direct dyes are, for example, chosen from lawsone, juglone, indigo, leuco indigo, indirubin, isatin, hennotannic acid, alizarin, carthamine, morin, purpurin, carminic acid, kermesic acid, laccaic acid, purpurogallin, protocatechaldehyde, curcumin, spinulosin, apigenidin, orceins, carotenoids, betanin, chlorophylls, chlorophyllins, monascus, polyphenols or orthodiphenols.

Among the orthodiphenols useful according to the invention, mention may be made of: catechin, quercetin, brazilin, hematein, hematoxylin, chlorogenic acid, caffeic acid, gallic acid, L DOPA, cyanidin, (-)-Epicatechin, (-)-Epigallocatechin, (-)-Epigallocatechin 3-gallate (EGCG), Isoquercetin, Pomiferin, esculetin, 6,7-Dihydroxy-3-(3-hydroxy-2,4-dimethoxyphenyl)coumarin, Santalin A and B, mangiferin, butein, Maritimetin, Sulfuretin, Robtein, betanidine, Pericampylinone A., Theaflavin, Proanthocyanidin A2, Proanthocyanidin B2, Proanthocyanidin C1, Procyanidins DP 4-8, Tannic acid, Purpurogallin, 5,6-Dihydroxy-2-methyl-1,4-naphthoquinone, Alizarin, Wedelolactone and natural extracts containing them.

Preferably, the direct dye(s) are chosen from azo direct dyes, hydrazono direct dyes, triarylmethane direct dyes, xanthene direct dyes and mixtures thereof.

When the composition comprises at least one direct dye, preferably, they are present in a total content ranging from 0.001 to 20% by weight, preferably from 0.005 to 15% by weight, more preferably from 0.01 to 10% by weight, better still from 0.05 to 5%, even better still from 0.1 to 3% by weight, relative to the weight of the composition.

Preferably, the composition according to the invention comprises one or more dyes chosen from oxidation dyes.

The oxidation dyes can be chosen from one or more oxidation bases, optionally associated with one or more couplers.

Preferably, the oxidation dye(s) comprise one or more oxidation bases.

Preferably, the composition according to the invention comprises one or more oxidation bases.

Oxidation bases can be present as salts, solvates, and/or salt solvates.

The addition salts of the oxidation bases present in the composition according to the invention are in particular chosen from addition salts with an acid such as hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, methanesulfonates, phosphates and acetates, and addition salts with a base such as sodium hydroxide, potassium hydroxide, ammonia, amines or alkanolamines.

Furthermore, the solvates of the oxidation bases more particularly represent the hydrates of said oxidation bases and/or the association of said oxidation bases with a linear or branched C ₁ to C ₄ alcohol such as methanol, ethanol, isopropanol, n-propanol. Preferably, the solvates are hydrates.

For example, the oxidation bases are chosen from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases and the corresponding addition salts, solvates and/or solvates of the salts.

Examples of para-phenylenediamines that may be mentioned include para-phenylenediamine, para-toluenediamine, 2-chloro-para-phenylenediamine, 2,3-dimethyl-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para-phenylenediamine, 2,5-dimethyl-para-phenylenediamine, N,N-dimethyl-para-phenylenediamine, N,N-diethyl-para-phenylenediamine, N,N-dipropyl-para-phenylenediamine, 4-amino-N,N-diethyl-3-methylaniline, N,N-bis(β-hydroxyethyl)-para-phenylenediamine, 4-N,N-bis(β-hydroxyethyl)amino-2-methylaniline, 4-N,N-bis(ß-hydroxyethyl)amino-2-chloroaniline, 2-β-hydroxyethyl-para-phenylenediamine, 2-methoxymethyl-para-phenylenediamine, 2-fluoro-para-phenylenediamine, 2-isopropyl-para-phenylenediamine, N-(β-hydroxypropyl)-para-phenylenediamine, 2-(γ-hydroxypropyl)-para-phenylenediamine, 2-hydroxymethyl-para-phenylenediamine, N,N-dimethyl-3-methyl-para-phenylenediamine, N-ethyl-N-(β-hydroxyethyl)-para-phenylenediamine, N-(β,γ-dihydroxypropyl)-para-phenylenediamine, N-(4'-aminophenyl)-para-phenylenediamine, N-phenyl-para-phenylenediamine, 2-β-hydroxyethyloxy-para-phenylenediamine, 2-β-acetylaminoethyloxy-para-phenylenediamine, N-(β-methoxyethyl)-para-phenylenediamine, 4-aminophenylpyrrolidine, 2-thienyl-para-phenylenediamine, 2-β-hydroxyethylamino-5-aminotoluene and 3-hydroxy-1-(4'-aminophenyl)pyrrolidine and the addition salts, solvates and/or solvates of their salts.

Among the above-mentioned para-phenylenediamines, para-phenylenediamine, para-toluenediamine, 2-isopropyl-para-phenylenediamine, 2-β-hydroxyethyl-para-phenylenediamine, 2-(γ-hydroxypropyl)-para-phenylenediamine, 2-methoxymethyl-para-phenylenediamine , 2-β-hydroxyethyloxy-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para-phenylenediamine, 2,3-dimethyl-para-phenylenediamine, N,N-bis(β-hydroxyethyl)-para-phenylenediamine, 2-chloro-para-phenylenediamine and 2-β-acetylaminoethyloxy-para-phenylenediamine and the corresponding addition salts, solvates and/or solvates of their salts.

Examples of bis(phenyl)alkylenediamines that may be mentioned include N,N'-bis(β-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diaminopropanol, N,N'-bis(β-hydroxyethyl)-N,N'-bis(4'-aminophenyl)ethylenediamine, N,N'-bis(4-aminophenyl)tetramethylenediamine, N,N'-bis(β-hydroxyethyl)-N,N'-bis(4-aminophenyl)tetramethylenediamine, N,N'-bis(4-methylaminophenyl)tetramethylenediamine, N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl)ethylenediamine and 1,8-bis(2,5-diaminophenoxy)-3,6-dioxaoctane and the corresponding addition salts, solvates and solvates of salts.

Examples of para-aminophenols mentioned include para-aminophenol, 4-amino-3-methylphenol, 4-amino-3-fluorophenol, 4-amino-3-chlorophenol, 4-amino-3-hydroxymethylphenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino-2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-(β-hydroxyethylaminomethyl)phenol and 4-amino-2-fluorophenol and the addition salts, solvates and solvates of the salts.

Among the ortho-aminophenols that can be mentioned are, for example, 2-aminophenol, 2-amino-5-methylphenol, 2-amino-6-methylphenol and 5-acetamido-2-aminophenol and the corresponding addition salts, solvates and solvates of the salts.

Among the heterocyclic bases that can be mentioned are, for example, pyridine, pyrimidine and pyrazole derivatives.

Among the pyridine derivatives which may be mentioned are the compounds for example described in GB 1 026 978 and GB 1 153 196, for example 2,5-diaminopyridine, 2-(4-methoxyphenyl)amino-3-aminopyridine and 3,4-diaminopyridine and the corresponding addition salts, solvates and solvates of the salts.

Other pyridine oxidation bases which are useful in the present invention are the 3-aminopyrazolo[1,5-a]pyridine oxidation bases or the corresponding addition salts described, for example, in patent application FR 2 801 308. Examples which may be mentioned include pyrazolo[1,5-a]pyrid-3-ylamine, 2-acetylaminopyrazolo[1,5-a]pyrid-3-ylamine, 2-morpholin-4-ylpyrazolo[1,5-a]pyrid-3-ylamine, 3-aminopyrazolo[1,5-a]pyridine-2-carboxylic acid, 2-methoxypyrazolo[1,5-a]pyrid-3-ylamine, (3-aminopyrazolo[1,5-a]pyrid-7-yl)methanol, 2-(3-aminopyrazolo[1,5-a]pyrid-5-yl)ethanol, 2-(3-aminopyrazolo[1,5-a]pyrid-7-yl)ethanol, (3-aminopyrazolo[1,5-a]pyrid-2-yl)methanol, 3,6-diaminopyrazolo[1,5-a]pyridine, 3,4-diaminopyrazolo[1,5-a]pyridine, pyrazolo[1,5-a]pyridine-3,7-diamine, 7-morpholin-4-ylpyrazolo[1,5-a]pyrid-3-ylamine, pyrazolo[1,5-a]pyridine-3,5-diamine, 5-morpholin-4-ylpyrazolo[1,5-a]pyrid-3-ylamine, 2-[(3-aminopyrazolo[1,5-a]pyrid-5-yl)(2-hydroxyethyl)-amino]ethanol, 2-[(3-aminopyrazolo[1,5-a]pyrid-7-yl)(2-hydroxyethyl)amino]ethanol, 3-aminopyrazolo[1,5-a]pyridin-5-ol, 3-aminopyrazolo[1,5-a]pyridin-4-ol, 3-aminopyrazolo[1,5-a]pyridin-6-ol, 3-aminopyrazolo[1,5-a]pyridin-7-ol, 2-β-hydroxyethoxy-3-amino-pyrazolo[1,5-a]pyridine; 2-(4-dimethylpiperazinium-1-yl)-3-amino-pyrazolo[1,5-a]pyridine; and the corresponding addition salts, solvates and solvates of the salts.

More particularly, the oxidation bases which are useful in the present invention are chosen from the 3 aminopyrazolo-[1,5 a]-pyridines and preferably substituted on the carbon atom 2 by:
a) a (di)(C1-C6)(alkyl)amino group, said alkyl group possibly being substituted by at least one hydroxy, amino, imidazolium group;
(b) a heterocycloalkyl group containing 5 to 7 members and 1 to 3 heteroatoms, optionally cationic, optionally substituted by one or more (C1-C6)alkyl groups, such as a di(C1-C4)alkylpiperazinium group; or
(c) a (C1-C6)alkoxy group optionally substituted by one or more hydroxy groups such as a β-hydroxyalkoxy group and the corresponding addition salts, solvates and solvates of the salts.

Among the pyrimidine derivatives that may be mentioned are the compounds described, for example, in patents DE 2359399; JP 88-169571; JP 05-63124; EP 0770375 or patent application WO 96/15765, such as 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6-triaminopyrimidine, 2-hydroxy-4,5,6-triamino-pyrimidine, 2,4-dihydroxy-5,6-diaminopyrimidine, 2,5,6-triaminopyrimidine and their addition salts, solvates and solvates of the salts and their tautomeric forms, when a tautomeric equilibrium exists.

Among the pyrazole derivatives that may be mentioned are the compounds described in patents DE 3843892, DE 4133957 and patent applications WO 94/08969, WO 94/08970, FR A-2 733 749 and DE 195 43 988, such as 4,5-diamino-1-methylpyrazole, 4,5-diamino-1-(β-hydroxyethyl)pyrazole, 3,4-diaminopyrazole, 4,5-diamino-1-(4'-chlorobenzyl)pyrazole, 4,5-diamino-1,3-dimethyl-pyrazole, 4,5-diamino-3-methyl-1-phenylpyrazole, 4,5-diamino-1-methyl-3-phenylpyrazole, 4-amino-1,3-dimethyl-5-hydrazinopyrazole, 1-benzyl-4,5-diamino-3-methylpyrazole, 4,5-diamino-3-tert-butyl-1-methylpyrazole, 4,5-diamino-1-tert-butyl-3-methylpyrazole, 4,5-diamino-1-(β-hydroxyethyl)-3-methylpyrazole, 4,5-diamino-1-ethyl-3-methylpyrazole, 4,5-diamino-1-ethyl-3-(4'-methoxyphenyl)pyrazole, 4,5-diamino-1-ethyl-3-hydroxymethyl-pyrazole, 4,5-diamino-3-hydroxymethyl-1-methylpyrazole, 4,5-diamino-3-hydroxymethyl-1-isopropylpyrazole, 4,5-Diamino-3-methyl-1-isopropylpyrazole, 4-amino-5-(2'-aminoethyl)amino-1,3-dimethylpyrazole, 3,4,5-triaminopyrazole, 1-methyl-3,4,5-triaminopyrazole, 3,5-diamino-1-methyl-4-methylaminopyrazole, 3,5-diamino-4-(β-hydroxyethyl)amino-1-methylpyrazole and the corresponding addition salts, solvates and/or solvates of the salts. 4,5-Diamino-1-(β-methoxyethyl)pyrazole may also be used.

A 4,5-diaminopyrazole will preferably be used and even more preferably 4,5-diamino-1-(β-hydroxyethyl)pyrazole and/or a corresponding salt, solvate and/or salt solvate.

Pyrazole derivatives which may also be mentioned include diamino-N,N-dihydropyrazolopyrazolones and in particular those described in patent application FR-A-2 886 136, such as the following compounds and the corresponding addition salts: 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2-amino-3-ethylamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2-amino-3-isopropylamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2-amino-3-(pyrrolidin-1-yl)-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 4,5-diamino-1,2-dimethyl-1,2-dihydropyrazol-3-one, 4,5-diamino-1,2-diethyl-1,2-dihydropyrazol-3-one, 4,5-diamino-1,2-di-(2-hydroxyethyl)-1,2-dihydropyrazol-3-one, 2-amino-3-(2-hydroxyethyl)amino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2-amino-3-dimethylamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2,3-diamino-5,6,7,8-tetrahydro-1H,6H-pyridazino[1,2-a]pyrazol-1-one, 4-amino-1,2-diethyl-5-(pyrrolidin-1-yl)-1,2-dihydropyrazol-3-one, 4-amino-5-(3-dimethylaminopyrrolidin-1-yl)-1,2-diethyl-1,2-dihydropyrazol-3-one, 2,3-diamino-6-hydroxy-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one their salts, their solvates and/or solvates of their salts.

Preferably, 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and/or a corresponding salt, solvate and/or salt solvate will be used.

Preferably, 4,5-diamino-1-(β-hydroxyethyl)pyrazole and/or 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and/or 2-β-hydroxyethoxy-3-amino-pyrazolo[1,5-a]pyridine and/or a corresponding salt, solvate and/or salt solvate will be used as heterocyclic bases.

Preferably, the oxidation base(s) are chosen from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases, and the corresponding addition salts, their solvates and/or the solvates of their salts and their mixtures; more preferably from 2-methoxymethyl-para-phenylenediamine, 2-β-hydroxyethyl-para-phenylenediamine, 2-γ-hydroxypropyl-para-phenylenediamine, and their addition salts, their solvates and/or the solvates of their salts and their mixtures.

When the composition comprises at least one oxidation base, preferably, the oxidation base(s) is/are present in a total content ranging from 0.001 to 20% by weight, preferably from 0.005 to 15% by weight, more preferably from 0.01 to 10% by weight, better still from 0.05 to 5%, even better still from 0.1 to 3% by weight, relative to the weight of the composition.

In a particular embodiment, the composition according to the invention is free of oxidation bases chosen from para-phenylenediamine, para-toluenediamine, their addition salts, their solvates, and the solvates of their salts.

The oxidation dye(s) may also be chosen from one or more couplers, which may be chosen from the couplers conventionally used for coloring keratin fibers.

Preferably, the composition according to the invention comprises one or more couplers.

Among the couplers useful according to the invention, mention may in particular be made of meta-phenylenediamines, meta-aminophenols, meta-diphenols, naphthalene-based coupling agents and heterocyclic coupling agents as well as the corresponding addition salts, solvates and solvates of their salts.

Examples include 6-hydroxy benzomorpholine, hydroxyethyl-3-4-methylenedioxyaniline, 2-amino 5-ethylphenol, 1,3-dihydroxybenzene, 1,3-dihydroxy-2-methylbenzene, 4-chloro-1,3-dihydroxybenzene, 2,4-diamino-1-(ß-hydroxyethyloxy)benzene, 2-amino-4-(ß-hydroxyethylamino)-1-methoxybenzene, 1,3-diaminobenzene, 1,3-bis(2,4-diaminophenoxy)propane, 3-ureidoaniline, 3-ureido-1-dimethylaminobenzene, sesamol, α-naphthol, 2-methyl-1-naphthol, 6-hydroxyindole, 4-hydroxyindole, 4-hydroxy-N-methylindole, 2-amino-3-hydroxypyridine, 3,5-diamino-2,6-dimethoxypyridine, 2,6-bis(ß-hydroxyethylamino)toluene, 6-hydroxyindoline, 2,6-dihydroxy-4-methylpyridine, 1-H-3-methylpyrazol-5-one, 1-phenyl-3-methylpyrazol-5-one, 2,6-dimethylpyrazolo[1,5-b]-1,2,4-triazole, 2,6-dimethyl[3,2-c]-1,2,4-triazole and 6-methylpyrazolo[1,5-a]benzimidazole, 2-methyl-5-aminophenol, 5-N-(ß–hydroxyethyl)amino-2-methylphenol, 3-aminophenol, 3-amino-2-chloro-6-methylphenol, the corresponding addition salts, solvates, solvates of salts and corresponding mixtures.

Preferably, the coupler(s) is(are) chosen from: 6-hydroxy benzomorpholine, its addition salts, its solvates and/or the solvates of its salts, hydroxyethyl-3-4-methylenedioxyaniline, its addition salts, its solvates and/or the solvates of its salts, 2-amino 5-ethylphenol, its addition salts, its solvates and/or the solvates of its salts and mixtures thereof.

In general, the addition salts of the couplers which can be used in the context of the invention are in particular chosen from addition salts with an acid, such as hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates and addition salts with a base such as sodium hydroxide, potassium hydroxide, ammonia, amines or alkanolamines.

Furthermore, the solvates more particularly represent the hydrates of these couplers and/or the association of these couplers with a linear or branched C1 to C4 alcohol such as methanol, ethanol, isopropanol, n-propanol. Preferably, the solvates are hydrates.

In a particular embodiment, the composition according to the invention is free of oxidation couplers chosen from resorcinol, 2-methyl resorcinol, 4-chloro resorcinol, their addition salts, their solvates, and the solvates of their salts.

When the composition comprises one or more oxidation couplers, the total content of the coupler(s) present in the composition according to the invention varies from 0.001 to 20% by weight, more preferably from 0.005 to 15% by weight, better still from 0.01 to 10% by weight, even better still from 0.05 to 5% by weight, even better still from 0.1 to 3% by weight relative to the total weight of the composition.

Preferably, the total content of the colorants preferably varies from 0.001 to 20% by weight, more preferably from 0.005 to 15% by weight, better still from 0.01 to 10% by weight, even better still from 0.05 to 5% by weight, even better still from 0.1 to 3% by weight relative to the total weight of the composition.

When present, the total content of the oxidation dyes preferably varies from 0.001 to 20% by weight, more preferably from 0.005 to 15% by weight, better still from 0.01 to 10% by weight, even better still from 0.05 to 5% by weight, even better still from 0.1 to 3% by weight relative to the total weight of the composition.

Alkalizing agent

The composition according to the invention may, in addition, comprise one or more alkalizing agents other than the (bi)carbonates, (bi)carbonate-generating systems and silicates previously described.

Preferably, the composition according to the invention comprises at least one alkalizing agent different from the (bi)carbonates, (bi)carbonate-generating systems and silicates previously described.

The alkaline agents useful according to the invention may be mineral, organic or hybrid alkaline agents.

For the purposes of the present invention, the terms “ alkaline agent ” or “ alkalizing agent ” are used interchangeably.

The additional alkalizing agent(s) may be inorganic or organic. They may be chosen from i) ammonia, ii) alkanolamines such as mono-, di- and triethanolamines and their derivatives, iii) oxyethylenated and/or oxypropylenated ethylenediamines, iv) inorganic or organic hydroxides, v) amino acids, preferably basic ones, such as arginine, lysine, ornithine, citruline and histidine, and vi) compounds of the following formula (II):

in which:
- W is a divalent (C ₁ -C ₈ )alkylene group, preferably propylene, optionally substituted in particular by a hydroxy group or a C ₁ -C ₄ alkyl radical;
- R _a , R _b , R _c and R _d , identical or different, represent a hydrogen atom, a C ₁ -C ₄ alkyl or C ₁ -C ₄ (poly)hydroxyalkyl radical;
vii) and their mixtures.

The mineral or organic hydroxides are preferably chosen from i) alkali metal hydroxides such as sodium or potassium hydroxides, ii) alkaline earth metal hydroxides, iii) transition metal hydroxides, such as hydroxides of metals from groups III, IV, V and VI, iv) lanthanide or actinide hydroxides.

The total content of the alkalizing agent(s) varies, when present, preferably from 0.1 to 40% by weight, more preferably from 1 to 30% by weight, better still from 2 to 25% by weight, even better still from 4 to 20% by weight relative to the total weight of the composition.

The total content of alkanolamine(s), preferably monoethanolamine, when present preferably varies from 0.1 to 40% by weight, more preferably from 1 to 30% by weight, better still from 2 to 25% by weight, even better still from 4 to 20% by weight, or even from 8 to 15% by weight relative to the total weight of the composition.

Solvents

The composition according to the invention may also comprise at least one organic solvent.

Preferably, the composition according to the invention comprises at least one organic solvent.

Examples of organic solvents that may be mentioned include linear or branched C ₂ to C ₄ alkanols, such as ethanol and isopropanol; polyols and polyol ethers such as 2-butoxyethanol, propylene glycol, glycerol, propane-1,3-diol, dipropylene glycol, propylene glycol monomethyl ether, diethylene glycol monoethyl ether and monomethyl ether, as well as aromatic alcohols or ethers such as benzyl alcohol or phenoxyethanol, and mixtures thereof.

Preferably, the organic solvent(s) is(are) chosen from propylene glycol, glycerol, propane-1,3-diol and mixtures thereof.

The organic solvent(s) may be present in a total amount ranging from 0.01 to 30% by weight, preferably ranging from 2 to 25% by weight, relative to the total weight of the composition.

Chemical oxidizing agents

The composition according to the invention may, in addition, comprise one or more chemical oxidizing agents chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and their mixtures.

Hydrogen peroxide generating systems other than peroxygen salts can be chosen from urea peroxide, polymeric complexes capable of releasing hydrogen peroxide, oxidases and their mixtures.

As an example of polymer complexes capable of releasing hydrogen peroxide, mention may be made of polyvinylpyrrolidone/H ₂ O _2, in particular in powder form, and the other polymer complexes described in US 5,008,093; US 3,376,110 and US 5,183,901.

Oxidases can produce hydrogen peroxide in the presence of a suitable substrate, such as glucose in the case of glucose oxidase or uric acid with uricase.

According to a particular embodiment, the hydrogen peroxide and/or the hydrogen peroxide-generating system(s) other than the peroxygen salts may be incorporated into the composition according to the invention just before its application to the keratin fibers. The intermediate composition(s) comprising the hydrogen peroxide and/or the hydrogen peroxide-generating system(s) other than the peroxygen salts may be called oxidizing compositions and may also contain various additional compounds or various adjuvants conventionally used in compositions for lightening keratin fibers.

Preferably, the composition according to the invention comprises hydrogen peroxide as a chemical oxidizing agent.

The total content of the chemical oxidizing agent(s) chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and their mixtures, when present, preferably varies from 1% to 12% by weight, more preferably ranging from 3% to 9% by weight, even more preferably ranging from 3.5% to 8.5% by weight relative to the total weight of the composition.

The total content of hydrogen peroxide when present preferably varies from 1% to 12% by weight, more preferably ranging from 3% to 9% by weight, even more preferably ranging from 3.5% to 8.5% by weight relative to the total weight of the composition.

According to a preferred embodiment, the composition according to the invention does not comprise a chemical oxidizing agent chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and their mixtures.

Preferably, the composition according to the invention comprises a total content of persulfate(s) of less than 1% by weight, preferably less than 0.1% by weight, more preferably less than 0.01% by weight, even more preferably less than 0.001% by weight, relative to the total weight of the composition.

More preferably, the composition is free of persulfates.

Carboxylic acids

The composition according to the invention may further comprise one or more carboxylic acids of the following formula (I) or one or more of their salts:

in which:
- U represents a monovalent group when n is 0 or polyvalent when n is greater than or equal to 1, hydrocarbon comprising from 1 to 8 carbon atoms, saturated or unsaturated, cyclic or non-cyclic, aromatic or non-aromatic, optionally interrupted by one or more heteroatoms and/or optionally substituted in particular by one or more hydroxyl groups; preferably U represents a monovalent (C ₁ -C ₆ )alkyl or polyvalent (C ₁ -C ₆ )alkylene group optionally substituted by one or more hydroxyl and/or amino groups;
- n represents an integer between 0 and 10 inclusive, preferably n is between 0 and 5, such as between 0 and 2.

The carboxylic acids of formula (I) useful according to the invention are preferably chosen from alpha-hydroxy acids.

The carboxylic acids of formula (I) are preferably chosen from glycolic acid, citric acid, lactic acid, tartaric acid, their salts, and their mixtures, more preferably from citric acid or one of its salts.

The salts of the carboxylic acids of formula (I) may be salts of organic or mineral bases or of alkalizing agents as defined previously.

When present in the composition according to the invention, the carboxylic acid(s) of formula (I) are preferably present in a total content by weight ranging from 0.01% to 30% by weight, more preferably ranging from 0.5% to 20% by weight, even more preferably ranging from 0.5% to 10% by weight, relative to the total weight of the composition.

Amino acids

The composition according to the invention may further comprise one or more amino acids of formula (I ₁ ) and/or one or more of their salts:

Formula (I ₁ ) in which:
▪ p is an integer equal to 1 or 2;
▪ when p = 1, R forms with the nitrogen atom a saturated heterocycle comprising from 5 to 8 members, preferably 5 members, this cycle possibly being substituted by at least one group chosen from hydroxyl or (C ₁ -C ₄ )alkyl;
▪ when p = 2, R represents:
- a hydrogen atom; or
- a (C ₁ -C ₁₂ )alkyl group, preferably a (C ₁ -C ₄ )alkyl group, interrupted by at least one heteroatom or group chosen from –S–, –NH– or –C(NH)– and/or substituted by at least one group chosen from hydroxyl, amino or –NH–C(NH)–NH ₂ .

Amino acids of formula (I ₁ ) may be in the form of an optical isomer of L, D or DL configuration, preferably of L configuration.

As examples according to the present invention of amino acids of formula (I ₁ ) in the form of an optical isomer of L configuration, mention may be made of L-proline, L-methionine, L-serine, L-arginine and L-lysine.

Preferably, the amino acid(s) of formula (I ₁ ) included in the composition according to the invention are chosen from glycine, proline, methionine, serine, arginine, lysine, and mixtures thereof.

More preferably, the amino acid(s) of formula (I ₁ ) included in the composition according to the invention are chosen from glycine, proline, methionine, serine and their mixtures.

Even more preferably, the amino acid included in the composition according to the invention is glycine.

When present in the composition according to the invention, the amino acid(s) of formula (I ₁ ) are present, preferably, in a total content by weight ranging from 0.01% to 30% by weight, more preferably ranging from 0.5% to 20% by weight, even more preferably ranging from 0.5% to 10% by weight, relative to the total weight of the composition.

Additives

The composition according to the invention may optionally comprise one or more additives, different from the compounds of the invention and among which may be mentioned cationic, anionic, non-ionic, amphoteric polymers or their mixtures, anti-dandruff agents, anti-seborrheic agents, anti-hair loss and/or regrowth agents, vitamins and pro-vitamins including panthenol, sun filters, mineral or organic pigments, plasticizing agents, solubilizing agents, opacifying or pearlescent agents, antioxidant agents, hydroxy acids, perfumes, preservatives.

Of course, those skilled in the art will take care to choose this or these possible complementary compounds in such a way that the advantageous properties intrinsically attached to the composition according to the invention are not, or not substantially, altered by the addition(s) envisaged.

The above additives may generally be present in a quantity of between 0 and 20% by weight for each of them, in ratio to the total weight of the ready-to-use composition.

The aqueous composition according to the invention has a texture in the form of a cream or gel and is preferably translucent.

Preferably, the aqueous composition according to the invention comprises:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures, preferably from carbonates, bicarbonates and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1;
- optionally, one or more fatty substances other than fatty acids, preferably chosen from solid fatty substances, preferentially chosen from solid fatty alcohols, waxes and their mixtures, more preferentially chosen from solid fatty alcohols, in particular from cetyl alcohol, stearyl alcohol and their mixtures such as cetylstearyl or cetearyl alcohol and/or chosen from liquid fatty substances, preferentially chosen from liquid hydrocarbons containing more than 16 carbon atoms, liquid fatty alcohols and vegetable oils;
- optionally, one or more sequestering agents, preferably chosen from diethylenetriamine pentaacetic acid (DTPA) and its salts, diethylenediamine tetraacetic acid (EDTA) and its salts, ethylenediamine disuccinic acid (EDDS) and its salts, etidronic acid and its salts, N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures, more preferably chosen from diethylenediamine tetraacetic acid (EDTA) and its salts, N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures, better still, chosen from N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures;
- optionally, one or more anionic surfactants, preferably chosen from fatty acids;
- optionally, one or more non-ionic surfactants, preferably chosen from C fatty alcohols₈to C₃₀ oxyalkylenated and/or glycerolated, C fatty acid esters₈to C₃₀, saturated or not, linear or branched, and (poly)glycerol, alkylpolyglycosides and their mixtures;
- optionally, one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

According to a particular embodiment, the aqueous composition according to the invention comprises:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures, preferably from carbonates, bicarbonates and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1;
- at least one fatty substance other than fatty acids;
- at least one anionic surfactant and/or at least one ionic surfactant and
- possibly at least one sequestrant.

According to a particular embodiment, the aqueous composition according to the invention comprises:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures, preferably from carbonates, bicarbonates and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1;
- at least one dye chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes and
- possibly at least one fatty substance other than fatty acids.

Preferably, the above composition is obtained from the mixing of an aqueous composition comprising:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures, preferably from carbonates, bicarbonates and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1;
with a composition comprising:
- at least one dye, chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

According to one aspect of the invention, the aqueous composition according to the invention is a coloring and/or lightening composition comprising:
-- a first aqueous composition comprising:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures, preferably from carbonates, bicarbonates and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1;
- possibly, one or more fatty substances other than fatty acids;
- possibly, one or more sequestrants;
- optionally, one or more anionic surfactants, preferably chosen from fatty acids and their mixtures;
- optionally, one or more non-ionic surfactants, preferably chosen from C fatty alcohols₈to C₃₀ oxyalkylenated and/or glycerolated, C fatty acid esters₈to C₃₀, saturated or not, linear or branched, and (poly)glycerol, alkylpolyglycosides and their mixtures;
- optionally, one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes;
-- a second composition comprising one or more chemical oxidants chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof; and
-- optionally, a third composition comprising one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes;
it being understood that at least the first or third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

According to a second aspect, the present invention relates to an aqueous composition resulting from the mixing of the first composition as defined above with the second composition as defined above and optionally with the third composition as defined above, it being understood that at least the first composition or the third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

It is a ready-to-use composition that can be applied to keratin fibers.

Thus, when the composition according to the invention is in two parts and comprises a first composition as defined above and a second composition as defined above, the ready-to-use composition is obtained by mixing the first composition as defined above with the second composition as defined above, the first composition comprising one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

When the agent is in three parts and comprises a first composition as defined above, a second composition as defined above and a third composition as defined above, the ready-to-use composition is obtained by mixing the first composition as defined above with the second composition as defined above and with the third composition as defined above, the dye(s) chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes, being included in the first composition and/or in the third composition. Preferably, according to this latter embodiment, the direct dye(s) are included in the third composition and the first composition does not comprise dyes chosen from direct dyes, oxidation dyes and their mixtures.

When the third composition comprises dyes, preferably, the total content of the dye(s) present in this composition varies from 0.001 to 20% by weight, more preferably from 0.005 to 15% by weight, better still from 0.01 to 10% by weight, even better still from 0.05 to 5% by weight, even better still from 0.1 to 3% by weight relative to the total weight of the composition.

When the third composition comprises direct dyes, preferably, the total content of the direct dye(s) present in this composition varies from 0.001 to 20% by weight, more preferably from 0.005 to 15% by weight, better still from 0.01 to 10% by weight, even better still from 0.05 to 5% by weight, even better still from 0.1 to 3% by weight relative to the total weight of the composition.

The third composition is preferably an aqueous composition. In particular, it comprises more than 10% by weight of water, preferably more than 30% by weight of water, and even more advantageously more than 50% by weight of water.

The third composition may also comprise one or more additives which may be chosen from those listed above.

Process

The present invention also relates to a process for coloring and/or lightening keratin fibers, preferably hair, which comprises the application to said keratin fibers of an effective amount of a composition as defined above.

The composition can be applied to dry or wet keratin fibers. After the treatment, the keratin fibers are optionally rinsed with water, possibly washed with shampoo followed by rinsing with water, before being dried or left to dry.

Preferably, the keratin fibers are dark keratin fibers.

By "dark keratin fibers" we mean keratin fibers whose tone height is less than or equal to 6 (dark blonde), preferably less than or equal to 4 (brown).

The composition can advantageously be applied to keratin fibers in an amount ranging from 0.1g to 20g of composition per gram of keratin fibers.

The composition is left to sit on the fibers for a period of time, generally from 1 minute to 1 hour, preferably from 5 minutes to 60 minutes.

For example, the composition can be left on the fibers for 50 minutes.

The composition may be left to rest on the fibers under an occlusive system. As a non-limiting example of an occlusive system, we can cite an occlusive system of the aluminum foil or plastic film or charlotte type with or without holes.

The temperature during the lightening process is typically between room temperature (between 15 and 25°C) and 80°C, preferably between room temperature and 60°C.

For example, the temperature during the lightening process is 33°C.

At the end of the treatment, the keratin fibers are possibly rinsed with water, possibly washed with shampoo followed by rinsing with water, before being dried or left to dry in the open air.

Drying can be done using absorbent paper, a hair dryer or a hair dryer hood or any other drying means.

Preferably, the composition according to the invention is mixed at the time of use with a composition comprising at least one chemical oxidizing agent, preferably hydrogen peroxide.

According to this embodiment, at the time of use, the composition according to the invention is derived from the mixture of at least two compositions:
a first aqueous composition comprising:
- at least one compound chosen from carbonates, carbonate-generating systems, bicarbonates, bicarbonate-generating systems and mixtures thereof, preferably from carbonates, bicarbonates and mixtures thereof;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1,
And
a second oxidizing composition comprising one or more chemical oxidizing agents chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof, preferably hydrogen peroxide.

The pH of this composition, thus obtained, preferably ranges from 8.5 to 10.5, more preferably from 9 to 10, better still from 9.5 to 10.

According to one embodiment, the method according to the invention comprises a step of mixing the composition according to the invention with an oxidizing composition comprising at least one chemical oxidizing agent. This mixing step is preferably carried out at the time of use, just before applying the composition resulting from the mixture to the hair.

According to this embodiment, the process for coloring and/or lightening keratin fibers, preferably hair, according to the invention comprises the step of applying to the keratin fibers a composition resulting from the mixture, at the time of use, of at least two compositions:
a) a first aqueous composition comprising:
- at least one compound chosen from carbonates, carbonate-generating systems, bicarbonates, bicarbonate-generating systems and mixtures thereof, preferably from carbonates, bicarbonates and mixtures thereof;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1 and
b) a second oxidizing composition comprising one or more chemical oxidizing agents, chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof, preferably hydrogen peroxide;
c) optionally, a third composition comprising one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

Preferably, the process according to the invention is a process for coloring keratin fibers, preferably hair.

In a preferred embodiment, the process for coloring keratin fibers, preferably hair, according to the invention comprises the step of applying to the keratin fibers a composition resulting from the mixture, at the time of use, of at least two compositions:
(a) a first composition comprising:
- at least one compound chosen from carbonates, carbonate-generating systems, bicarbonates, bicarbonate-generating systems and mixtures thereof, preferably from carbonates, bicarbonates and mixtures thereof;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1;
- optionally at least one dye chosen from direct dyes, oxidation dyes and their mixtures, preferably at least one dye chosen from direct dyes and their mixtures;
b) a second oxidizing composition comprising one or more chemical oxidizing agents, chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof, preferably hydrogen peroxide,
c) optionally a third composition comprising one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes;
it being understood that at least the first composition or the third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

The process for coloring keratin fibers, preferably hair, according to the invention therefore comprises:
i) a step of mixing the first composition as defined previously with a second composition as defined previously and optionally with a third composition as defined previously; and
ii) a step of applying to the keratin fibers a composition resulting from the mixture obtained in step i);
it being understood that at least the first composition or the third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

The composition resulting from the mixture obtained in step i) can be applied to dry or wet keratin fibers. At the end of the treatment, the keratin fibers are optionally rinsed with water, optionally undergo washing with a shampoo followed by rinsing with water, before being dried or left to dry. The mixing step i) is preferably carried out at the time of use, i.e. just before applying the composition resulting from the mixture to the keratin fibers.

When the agent is in two parts, the process of simultaneous bleaching and coloring of keratin fibers comprising:
i) a step of mixing the first composition as defined previously with a second composition as defined previously; and
ii) a step of applying to the keratin fibers a composition resulting from the mixture obtained in step i);
it being understood that the first composition comprises one or more dyes chosen from oxidation dyes, direct dyes and their mixtures, preferably chosen from direct dyes.

Preferably, according to this latter embodiment, the first composition and the second composition are mixed in a first composition/second composition weight ratio ranging from 0.1 to 2, preferably ranging from 0.3 to 1.5, more preferably ranging from 0.5 to 1.

When the agent is in three parts, the process of simultaneous bleaching and coloring of keratin fibers includes:
i) a step of mixing the first composition as defined previously with a second composition as defined previously and with a third composition as defined previously; and
ii) a step of applying to the keratin fibers a composition resulting from the mixture obtained in step i);
it being understood that at least the first composition or the third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes. Preferably, according to this latter embodiment, the third composition comprises one or more direct dyes and the first composition does not comprise direct dyes.

The second oxidizing composition is preferably an aqueous composition. In particular, it comprises more than 5% by weight of water, preferably more than 10% by weight of water, and even more advantageously more than 20% by weight of water, better still, more than 30% by weight of water.

It may also comprise one or more organic solvents chosen from those listed above; the latter representing more particularly, when present, from 1 to 40% by weight relative to the weight of the oxidizing composition, and preferably from 5 to 30% by weight.

The second oxidizing composition also preferably comprises one or more acidifying agents. Among the acidifying agents, mention may be made, for example, of mineral or organic acids such as hydrochloric acid, orthophosphoric acid, sulfuric acid, carboxylic acids such as acetic acid, tartaric acid, citric acid, lactic acid, sulfonic acids.

In addition, the second oxidizing composition may comprise fatty substances such as those described previously, preferably chosen from fatty alcohols, liquid hydrocarbons comprising more than 16 carbon atoms and their mixtures, surfactants, polymers.

Usually, the pH of the second oxidizing composition, when it is aqueous, is less than 7, preferably between 1 and 5, preferably between 2 and 4.5.

Preferably, the oxidizing composition comprises hydrogen peroxide as oxidizing agent, in aqueous solution, the concentration of which varies, more particularly, from 0.1 to 50%, more particularly between 0.5 and 20%, and even more preferably between 1 and 15% by weight relative to the weight of the oxidizing composition.

Preferably, at least one of the compositions (coloring or oxidizing) is aqueous.

Kit

Another subject of the invention is a device with several compartments, preferably two compartments or three compartments, for coloring or lightening keratin fibers, preferably hair, comprising at least a first compartment containing the composition according to the invention and at least a second compartment containing an oxidizing composition as described above.

Preferably, the present invention relates to a device with at least two or three compartments, for coloring and/or lightening keratin fibers, preferably hair, comprising:
i) at least one first compartment containing a first composition as defined previously;
ii) at least one second compartment containing a second composition as defined above; and
iii) optionally at least one third compartment containing a third composition as defined previously;
it being understood that at least the first composition or the third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes.

The compositions of the device according to the invention are packaged in separate compartments, accompanied, optionally, by appropriate application means, identical or different, such as brushes, brushes or sponges.

The device mentioned above can also be equipped with a means for delivering the desired mixture to the hair, for example such as the devices described in patent FR 2586913.

The present invention finally relates to the use of a composition as described above for the coloring and/or lightening of keratin fibers, preferably for the coloring of keratin fibers and in particular of hair.

The following examples serve to illustrate the invention without, however, being limiting in nature.

Examples

In the following examples, all quantities are indicated as a percentage by mass of active ingredient (AI) relative to the total weight of the composition (unless otherwise stated).

Compositions

The following compositions A1 to A3 according to the invention were prepared from the ingredients whose contents are indicated in the table below (% ma):

A1 A2 A3 AMMONIUM BICARBONATE 15 12 12 TETRASODIUM GLUTAMATE DIACETATE 0.24 - - MYRISTIC ACID 0.01 - - GLYCINE - 5 5 PALMITIC ACID 0.13 - - STEARIC ACID 0.16 - - PROPYLENE GLYCOL 2 - - EDTA - 0.2 0.2 CETEARYL ALCOHOL 16 - - SODIUM METASILICATE 4 4 - SODIUM SILICATE - - 8 DECYL GLUCOSIDE - 1.2 1.2 POLYQUATERNIUM-10 - 0.5 0.5 EUPHORBIA CERIFERA (CANDELILLA) WAX 0.1 - - Mineral Oil - 50 50 HYDROXYETHYLCELLULOSE - 0.25 0.25 CETETH-10 0.3 - - STEARETH-20 2 - - STEARETH-2 0.2 2 2 C15-19 ALKANE 2 - - Sequestrant/pH agent/preservatives Qs Qs Qs WATER Qsp 100 Qsp 100 Qsp 100

Results

The stability of the compositions was assessed by measuring the change in alkalinity by CID-015-00 potentiometry. According to this method, the lower the change in alkalinity, the more stable the composition over time.

The compositions comprising water according to the invention are more stable over time, in particular after 2 months of storage at 45°C than compositions not comprising it.

Furthermore, colorants can be introduced into these compositions in order to obtain natural, reflective and chromatic shades.

Claims (19)

Composition comprising:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1. Composition according to the preceding claim, in which the compound(s) chosen from (bi)carbonates, (bi)carbonate-generating systems and their mixtures are chosen from bicarbonates, bicarbonate-generating systems and their mixtures, preferably chosen from bicarbonates. Composition according to any one of the preceding claims, in which the (bi)carbonate(s), the (bi)carbonate-generating system(s) and their mixtures are present in the composition in a total content ranging from 0.1 to 40% by weight, preferably from 1 to 30% by weight, more preferably from 5 to 25% by weight, better still from 10 to 20% by weight relative to the total weight of the composition. Composition according to any one of the preceding claims, in which the bicarbonate(s) are chosen from:
- alkali metal bicarbonates;
- alkaline earth metal bicarbonates;
- compounds of formula N ⁺ R ¹ R ² R ³ R ⁴ , HCO ₃ ^- in which R ¹ , R ² , R ³ and R ⁴ represent, independently of each other, a hydrogen atom or a (C ₁ -C ₄ )alkyl group optionally substituted by a hydroxyl group;
- aminoguanidine bicarbonate;
- their mixtures;
preferably from sodium bicarbonate, potassium bicarbonate, lithium bicarbonate, cesium bicarbonate, calcium bicarbonate, magnesium bicarbonate, ammonium bicarbonate, choline bicarbonate, triethylammonium bicarbonate, aminoguanidine bicarbonate and mixtures thereof; more preferably from sodium bicarbonate, potassium bicarbonate, cesium bicarbonate, calcium bicarbonate, magnesium bicarbonate, ammonium bicarbonate and mixtures thereof, more preferably from sodium bicarbonate, potassium bicarbonate, cesium bicarbonate, calcium bicarbonate, magnesium bicarbonate, ammonium bicarbonate and mixtures thereof, even more preferably from sodium bicarbonate, potassium bicarbonate, ammonium bicarbonate and mixtures thereof, most preferably the bicarbonate is ammonium bicarbonate. Composition according to any one of the preceding claims, in which the silicate(s) are chosen from alkali metal silicates, alkaline earth metal silicates, aluminum silicates, trimethylammonium silicates, and mixtures thereof, preferably from sodium silicates, potassium silicates, calcium silicates, aluminum silicates, trimethylammonium silicates, and mixtures thereof, more preferably from sodium silicates, even more preferably from compounds having the INCI Sodium Silicate and/or Sodium Metasilicate Composition according to any one of the preceding claims, in which the silicate(s) are present in the composition in a total content ranging from 0.1% to 30% by weight, preferably ranging from 0.5% to 20% by weight, more preferably ranging from 1% to 15% by weight, better still ranging from 2% to 10% by weight relative to the total weight of the composition. Composition according to any one of the preceding claims, in which the weight ratio of total quantity of (bi)carbonate(s) and/or (bi)carbonate(s) generating system(s) / total quantity of silicate(s) is greater than or equal to 1.2, preferably greater than or equal to 1.5, better between 1.5 and 20, even better between 2 and 15, more preferably between 2.5 and 10, even more preferably between 3 and 5, better between 3 and 4. Composition according to any one of the preceding claims, in which the total content of (bi)carbonates, (bi)carbonate-generating systems and their mixtures and of silicates and their mixtures varies from 5 to 30% by weight, preferably from 8 to 28% by weight, more preferably from 10 to 25% by weight, better still from 15 to 20% by weight, relative to the total weight of the composition. Composition according to any one of the preceding claims, comprising at least one fatty substance other than fatty acids, preferably chosen from liquid hydrocarbons containing more than 16 carbon atoms, liquid fatty alcohols, vegetable oils, solid fatty alcohols, waxes and their mixtures. Composition according to any one of the preceding claims, comprising at least one sequestering agent; preferably chosen from diethylenetriamine pentaacetic acid (DTPA) and its salts, diethylenediamine tetraacetic acid (EDTA) and its salts, ethylenediamine disuccinic acid (EDDS) and its salts, etidronic acid and its salts, N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures, more preferably chosen from diethylenediamine tetraacetic acid (EDTA) and its salts, N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures, better still, from N,N-dicarboxymethyl glutamic acid and its salts (GLDA) and their mixtures. Composition according to any one of the preceding claims, comprising at least one surfactant chosen from anionic surfactants, non-ionic surfactants and their mixtures, the anionic surfactants preferably being chosen from fatty acids and their mixtures, the non-ionic surfactants preferably being chosen from C fatty alcohols₈to C₃₀ oxyalkylenated and/or glycerolated, C fatty acid esters₈to C₃₀, saturated or unsaturated, linear or branched, and (poly)glycerol, alkylpolyglycosides and their mixtures. Composition according to any one of the preceding claims, comprising at least one dye chosen from direct dyes, oxidation dyes and their mixtures, preferably from direct dyes and their mixtures. Composition according to any one of the preceding claims, not comprising a chemical oxidizing agent chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof. Composition according to any one of claims 1 to 12, comprising at least one chemical oxidizing agent, chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and their mixtures, preferably hydrogen peroxide. Process for coloring and/or lightening keratin fibers, preferably hair, comprising the application to said keratin fibers of the composition as defined in any one of the preceding claims. Process for coloring and/or lightening keratin fibers, preferably hair, comprising a step of applying to the keratin fibers, preferably hair, a composition resulting from the mixture at the time of use of at least two compositions,
a) a first aqueous composition comprising:
- at least one compound chosen from (bi)carbonates, (bi)carbonate generating systems, and their mixtures;
- at least one silicate;
- water;
- the weight ratio of total quantity of (bi)carbonate(s) and/or system(s) generating (bi)carbonate(s) / total quantity of silicate(s) is greater than 1 and
b) a second oxidizing composition comprising one or more chemical oxidizing agents, chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof, preferably hydrogen peroxide;
c) optionally, a third composition comprising one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes. Process for coloring keratin fibers, preferably hair, comprising:
i) a step of mixing a first composition as defined in any one of claims 1 to 13 with a second composition comprising one or more chemical oxidizing agents, chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof, preferably hydrogen peroxide and optionally with a third composition comprising one or more dyes chosen from direct dyes, oxidation dyes and mixtures thereof, preferably chosen from direct dyes; and
ii) a step of applying to the keratin fibers a composition resulting from the mixture obtained in step i)
it being understood that at least the first composition or the third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes. Device with several compartments, preferably at least two compartments, for coloring and/or lightening keratin fibers, preferably hair, comprising
i) at least one first compartment containing a first composition as defined in any one of claims 1 to 13;
ii) at least one second compartment containing a second composition comprising one or more chemical oxidizing agents, chosen from hydrogen peroxide, hydrogen peroxide generating systems other than peroxygenated salts and mixtures thereof, preferably hydrogen peroxide; and
iii) optionally at least one third compartment containing a third composition comprising one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes;
it being understood that at least the first composition or the third composition comprises one or more dyes chosen from direct dyes, oxidation dyes and their mixtures, preferably chosen from direct dyes. Use of a composition as defined in any one of claims 1 to 14, for coloring and/or lightening keratin fibers, and in particular hair.