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EP2337550A2 - Procédé pour masquer les cheveux gris - Google Patents

Procédé pour masquer les cheveux gris

Info

Publication number
EP2337550A2
EP2337550A2 EP09783928A EP09783928A EP2337550A2 EP 2337550 A2 EP2337550 A2 EP 2337550A2 EP 09783928 A EP09783928 A EP 09783928A EP 09783928 A EP09783928 A EP 09783928A EP 2337550 A2 EP2337550 A2 EP 2337550A2
Authority
EP
European Patent Office
Prior art keywords
group
agent
hair
alkyl group
amino
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09783928A
Other languages
German (de)
English (en)
Inventor
Astrid Kleen
Doris Oberkobusch
Wibke Gross
Laura Stephan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP2337550A2 publication Critical patent/EP2337550A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/347—Phenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
    • A61K8/4946—Imidazoles or their condensed derivatives, e.g. benzimidazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
    • A61K8/4953—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom containing pyrimidine ring derivatives, e.g. minoxidil
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/10—Preparations for permanently dyeing the hair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/59—Mixtures
    • A61K2800/592—Mixtures of compounds complementing their respective functions

Definitions

  • the present invention relates to a process for the permanent coloring of gray hair, in which the
  • Human hair is treated today in many ways with hair cosmetic preparations. These include, for example, the cleansing of hair with shampoos, the care and regeneration with rinses and
  • the appearance of the hair can be adapted to both current fashion trends and the individual wishes of the individual.
  • the desire for the hair can be adapted to both current fashion trends and the individual wishes of the individual.
  • Conventional hair dyes usually contain at least one color-changing active ingredients
  • Coupler and developer components are also referred to as oxidation dye precursors.
  • hair dyes Before being applied to human hair, hair dyes are usually mixed in solid or pasty form with a dilute aqueous hydrogen peroxide solution. The resulting mixture
  • Mixture is then applied to the hair and rinsed again after a certain exposure time.
  • the duration of exposure to the hair to achieve complete coloration is usually between about 30 and 40 minutes.
  • the ready-to-use colorants are usually adjusted strongly alkaline, the pH is between 8 and 10.5. Such high pH values are required to ensure an opening of the outer cuticle (cuticle) and thus a
  • the newly regrown hairline can be specifically subjected to another oxidative dyeing.
  • This technique allows a durable and stable lamination, but is cumbersome and can bring the disadvantages described above (hair damage, scalp irritation) with it.
  • the object of the present invention was therefore to provide a dyeing process which allows a permanent coloration of gray hair. At the same time, an irritation of the scalp, a
  • Carbonyl compounds and C, H-acidic compounds does not lead to the above adverse effects.
  • a first subject of the present invention is therefore a process for the permanent dyeing of gray hair, in which in a first step the entire hair is treated with an oxidative dye (A) and the subsequently regrown gray hair roots in one or more further
  • Steps are treated with a remedy (B) immediately before the application
  • At least one agent (B1) containing at least one reactive carbonyl compound in a cosmetic carrier At least one agent (B1) containing at least one reactive carbonyl compound in a cosmetic carrier, and
  • At least one agent (B2) which contains in a cosmetic carrier at least one C, H-acidic compound selected from compounds of the formula (CH-1) and / or compounds of the formula (CH-2), wherein
  • R 6 represents a linear or cyclic (C 1 to C 6 ) alkyl group, a (C 2 to C 6 ) alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl (d to C 6 ) alkyl group , a (C 1 -C 6) - hydroxyalkyl group, a (C 2 -C 6) -polyhydroxyalkyl group, a (C 1 to C 6) alkoxy alkyl (C- ⁇ to C 6), a group
  • R'R "N- (CH 2 ) m - wherein R 1 and R 11 independently represent a hydrogen atom, a (C 1 to C 4 ) alkyl group, a (C 1 to C 4 ) hydroxyalkyl group or an AIyI - (C 1 to C 6 ) -alkyl group, wherein R 1 and R "together with the nitrogen atom can form a 5-, 6- or 7-membered ring and m is a number 2, 3, 4, 5 or 6, R 7 is a (C 1 to C 6 ) alkyl group, in particular a methyl group, X ' is a physiologically acceptable anion, the cycle of the formula (CH-1) represents all ring structures which additionally contain further heteroatoms such as nitrogen, oxygen or may contain sulfur and may further carry fused ring structures, all of which ring structures may carry additional substituents,
  • Het is an optionally substituted heteroaromatic, and X 1 is a direct bond or a carbonyl group, obtained by mixing.
  • the method according to the invention is composed of 2 or more treatment steps.
  • the formulation "the subsequently regrown gray hair roots are treated with an agent (B)" in one or more further steps is such that the second treatment step can not take place until a freshly regrown hairline has already been recognized it is when the time interval between the oxidative dyeing and the treatment of re-grown hair roots is at least 5 days.
  • the phrase "the subsequently regrown gray hairlines in one or more further steps with an agent (B) to be treated” to understand in that, at the time at which a gray hairline re-emerges after the aftertreatment, the treatment with the agent (B) can be repeated.
  • time interval between two successive treatments with the agent (B) according to the invention is preferably at least 5 days.
  • the treatment with the agent (B) according to the invention in principle can be repeated as often as soon as a gray hairline becomes visible. However, it is preferred according to the invention after 3, 4, 5 or 6 aftertreatments with the agent (B) complete the dyeing process and re-subject the entire fibers to a complete oxidative dyeing.
  • the hair is treated in a first step with an oxidative dye (A).
  • the oxidative colorant (A) preferably contains at least one oxidation dye precursor.
  • the agent (A) used in the process of the invention preferably contains at least one developer component.
  • p-phenylenediamine derivative or one of its physiologically acceptable salts.
  • Very particularly preferred p-phenylenediamine derivatives according to the invention are selected from at least one compound of the group p-
  • binuclear developer components are selected from N, N'-bis ( ⁇ -hydroxyethyl) -N, N'-bis (4-aminophenyl) -1,3-diamino-propan-2-ol,
  • a p-aminophenol derivative or one of its physiologically tolerable salts may be used as the developer component a p-aminophenol derivative or one of its physiologically tolerable salts.
  • the developer component may be selected from o-aminophenol and its derivatives such as 2-amino-4-methylphenol, 2-amino-5-methylphenol or 2-amino-4-chlorophenol.
  • developer component may be selected from heterocyclic
  • Developer components such as pyrimidine derivatives, pyrazole derivatives, pyrazolopyrimidine
  • Particularly preferred pyrimidine derivatives are in particular the compounds 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6-triaminopyrimidine, 2-hydroxy-4,5,6-triaminopyrimidine, 2-dimethylamino-4 , 5,6-triaminopyrimidine, 2,4-dihydroxy-5,6-diaminopyrimidine and 2,5,6-triaminopyrimidine.
  • pyrazole derivatives are in particular the compounds which are selected from 4,5-diamino-1-methylpyrazole, 4,5-diamino-1- ( ⁇ -hydroxyethyl) pyrazole, 3,4-diaminopyrazole, 4,5-
  • Diamino-1- (4'-chlorobenzyl) pyrazole 4,5-diamino-1,3-dimethylpyrazole, 4,5-diamino-3-methyl-1-phenylpyrazole, 4,5-diamino-1-methyl-3 -phenylpyrazole, 4-amino-1,3-dimethyl-5-hydrazinopyrazole, 1-
  • Diamino-3-hydroxymethyl-1-methylpyrazole 4,5-diamino-3-hydroxymethyl-1-isopropylpyrazole, 4,5- Diamino-3-methyl-1-isopropylpyrazole, 4-amino-5- (ß-aminoethyl) amino-1, 3-dimethylpyrazole, and their physiologically acceptable salts.
  • Very particularly preferred developer components are selected from at least one compound from the group formed from p-phenylenediamine, p-toluenediamine, 2- ( ⁇ -hydroxyethyl) -p-phenylenediamine, 2- ( ⁇ , ⁇ -dihydroxyethyl) -p phenylenediamine, N, N-bis ( ⁇ -hydroxyethyl) -p-phenylenediamine, N- (4-amino-3-methylphenyl) -N- [3- (1 H -imidazol-1-yl) propyl] amine, N, N'-bis ( ⁇ -hydroxyethyl) -N, N'-bis (4-aminophenyl) -1, 3-diamino-propan-2-ol, bis (2-hydroxy-5-aminophenyl) - methane, 1,3-bis- (2,5-diaminophenoxy) -propan-2-ol, N, N'-bis (4-amin
  • the developer components are preferably used in an amount of 0.005 to 20 wt .-%, preferably 0.1 to 5 wt .-%, each based on the ready-to-use agent (A).
  • the agents (A) used in the context of the process according to the invention may contain, in addition to the developer component or else instead of the developer component, at least one coupler component.
  • Coupler components do not form a significant color within the framework of the oxidative dyeing alone, but always require the presence of developer components. Therefore, it is preferred according to the invention that at least one coupler component is additionally used when using at least one developer component.
  • Coupler components according to the invention allow at least one substitution of a chemical residue of the coupler by the oxidized form of the developer component. This forms a covalent bond between the coupler and the developer component.
  • Couplers are preferably cyclic compounds which carry on cycle at least two groups selected from (i) optionally substituted amino groups and / or (ii) hydroxy groups. When the cyclic compound is a six-membered ring (preferably aromatic), said groups are preferably in ortho position or meta position to each other.
  • Coupler components according to the invention are preferably selected as at least one compound from one of the following classes:
  • o-aminophenol derivatives such as o-aminophenol
  • Naphthalene derivatives having at least one hydroxy group having at least one hydroxy group
  • Monohydroxyindoline derivatives and / or monoaminoindoline derivatives Pyrazolone derivatives such as 1-phenyl-3-methylpyrazol-5-one,
  • Morpholine derivatives such as, for example, 6-hydroxybenzomorpholine or 6-aminobenzomorpholine,
  • Particularly preferred m-aminophenol coupler components are selected from at least one compound selected from the group consisting of m-aminophenol, 5-amino-2-methylphenol, N-cyclopentyl-3-aminophenol, 3-amino-2-chloro-6 -methylphenol, 2-hydroxy-4-aminophenoxyethanol, 2,6-dimethyl-3-aminophenol, 3-trifluoroacetylamino-2-chloro-6-methylphenol, 5-amino-4-chloro-2-methylphenol, 5-amino-4 -methoxy-2-methylphenol, 5- (2'-hydroxyethyl) amino-2-methylphenol, 3- (diethylamino) -phenol, N-cyclopentyl-3-aminophenol, 1, 3-dihydroxy-5- (methylamino) - benzene, 3-ethylamino-4-methylphenol, 2,4-dichloro-3-aminophenol and the physiologically acceptable salts of all the abovementioned compounds.
  • Particularly preferred m-diaminobenzene coupler components are selected from at least one compound from the group formed from m-phenylenediamine, 2- (2,4-diaminophenoxy) ethanol, 1, 3-bis (2,4-diaminophenoxy) propane, 1-Methoxy-2-amino-4- (2'-hydroxyethylamino) benzene, 1, 3-bis (2,4-diaminophenyl) propane, 2,6-bis (2'-hydroxyethylamino) -1-methylbenzene, 2- ( ⁇ 3 - [(2-hydroxyethyl) amino] -4-methoxy-5-methylphenyl ⁇ amino) ethanol, 2 - ( ⁇ 3 - [(2-hydroxyethyl) amino] -2-methoxy-5-methylphenyl ⁇ amino) ethanol, 2 - ( ⁇ 3 - [(2-hydroxyethyl) amino] -4,5-dimethylphenyl ⁇ amino) ethanol, 2- [3-morpholin-4
  • Particularly preferred o-diaminobenzene coupler components are selected from at least one compound selected from the group consisting of 3,4-diaminobenzoic acid and 2,3-diamino-1-methylbenzene and the physiologically acceptable salts of all of the aforementioned compounds.
  • Preferred di- or trihydroxybenzenes and their derivatives are selected from at least one compound of the group formed from resorcinol, resorcinol monomethyl ether, 2-methylresorcinol, 5-methylresorcinol, 2,5-dimethylresorcinol, 2-chlororesorcinol, 4-chlororesorcinol, pyrogallol and 1 , 2,4-trihydroxybenzene.
  • Particularly preferred pyridine derivatives are selected from at least one compound of the group formed from 2,6-dihydroxypyridine, 2-amino-3-hydroxypyridine, 2-amino-5-chloro-3-hydroxypyridine, 3-amino-2-methylamino 6-methoxypyridine, 2,6-dihydroxy-3,4-dimethylpyridine, 2,6-dihydroxy-4-methylpyridine, 2,6-diaminopyridine, 2,3-diamino-6-methoxypyridine, 3,5-diamino-2, 6-dimethoxypyridine, 3,4-diaminopyridine, 2- (2-methoxyethyl) amino-3-amino-6-methoxypyridine, 2- (4'-methoxyphenyl) amino-3-aminopyridine, and the physiologically acceptable salts of the aforementioned compounds.
  • Preferred naphthalene derivatives having at least one hydroxy group are selected from at least one compound of the group formed from 1-naphthol, 2-methyl-1-naphthol, 2-hydroxymethyl-1-naphthol, 2-hydroxyethyl-1-naphthol, 1, 3 Dihydroxynaphthalene, 1,5-dihydroxynaphthalene, 1,6-dihydroxynaphthalene, 1,7-dihydroxynaphthalene, 1,8-dihydroxynaphthalene, 2,7-dihydroxynaphthalene and 2,3-dihydroxynaphthalene.
  • Particularly preferred indole derivatives are selected from at least one compound of the group which is formed from 4-hydroxyindole, 6-hydroxyindole and 7-hydroxyindole and the physiologically acceptable salts of the abovementioned compounds.
  • Particularly preferred indoline derivatives are selected from at least one compound of the group formed from 4-hydroxyindoline, 6-hydroxyindoline and 7-hydroxyindoline and the physiologically acceptable salts of the aforementioned compounds.
  • Preferred pyrimidine derivatives are selected from at least one compound of the group formed from 4,6-diaminopyrimidine, 4-amino-2,6-dihydroxypyrimidine, 2,4-diamino-6-hydroxypyrimidine, 2,4,6-trihydroxypyrimidine, 2 -Amino-4-methylpyrimidine, 2-amino-4-hydroxy-6-methylpyrimidine and 4,6-dihydroxy-2-methylpyrimidine and the physiologically acceptable salts of the aforementioned compounds.
  • coupler components according to the invention are selected from m-aminophenol, 5-amino-2-methylphenol, 3-amino-2-chloro-6-methylphenol, 2-hydroxy-4-aminophenoxyethanol, 5-amino-4-chloro-2-methylphenol , 5- (2'-hydroxyethyl) amino-2-methylphenol, 2,4-dichloro-3-aminophenol, o-aminophenol, m-phenylenediamine, 2- (2,4-diaminophenoxy) ethanol, 1,3-bis (2,4-diaminophenoxy) propane, 1-methoxy-2-amino-4- (2'-hydroxyethylamino) benzene, 1, 3-bis (2,4-diaminophenyl) propane, 2,6-bis (2'-bis) hydroxyethylamino) -1-methylbenzene, 2 - ( ⁇ 3 - [(2-hydroxyethyl) amino] -4-methoxy-5-methylphenyl ⁇
  • the coupler components are preferably used in an amount of 0.005 to 20 wt .-%, preferably 0.1 to 5 wt .-%, each based on the ready-to-use agent (A).
  • developer components and coupler components are generally used in approximately molar amounts to each other.
  • molar use has proven to be expedient, a certain excess of individual oxidation dye precursors is not disadvantageous, so that developer components and coupler components in a molar ratio of 1: 0.5 to 1: 3, in particular 1: 1 to 1: 2 , can stand.
  • the dyestuff precursors of naturally-analogous dyes are preferably indoles and indolines which have at least two groups selected from hydroxy and / or amino groups, preferably as a substituent on the six-membered ring. These groups may carry further substituents, e.g. Example in the form of etherification or esterification of the hydroxy group or alkylation of the amino group.
  • the colorants contain at least one indole and / or indoline derivative.
  • Compositions according to the invention which comprise precursors of naturally-analogous dyes are preferably used as air-oxidative colorants. Consequently, in this embodiment said compositions are not added with an additional oxidizing agent.
  • Especially suitable as precursors of natural-analogous hair dyes are derivatives of 5,6-dihydroxyindoline. Particularly noteworthy within this group are N-methyl-5,6-dihydroxyindoline, N-ethyl-5,6-dihydroxyindoline, N-propyl-5,6-dihydroxyindoline, N-butyl-5,6-dihydroxy-indoline and in particular the 5,6-Dihydroxyindolin.
  • Derivatives of 5,6-dihydroxyindole are also outstandingly suitable as precursors of naturally occurring hair dyes. Emphasized within this group are N-methyl-5,6-dihydroxyindole, N-ethyl-5,6-dihydroxyindole, N-propyl-5,6-dihydroxyindole, N-butyl-5,6-dihydroxyindole, and especially the 5,6 - Dihydroxyindole.
  • the indoline or the indole derivatives can be used both as free bases and in the form of their physiologically acceptable salts with inorganic or organic acids, eg. As the hydrochlorides, sulfates and hydrobromides are used.
  • At least one substantive dye may be included. These are dyes that raise directly on the hair and do not require an oxidative process to form the color. Direct dyes are usually nitrophenylenediamines, nitroaminophenols, azo dyes, anthraquinones or indophenols.
  • the substantive dyes are each preferably used in an amount of 0.001 to 20 wt .-%, based on the total application preparation.
  • the total amount of substantive dyes is preferably at most 20% by weight.
  • Direct dyes can be subdivided into anionic, cationic and nonionic substantive dyes.
  • Preferred anionic substantive dyes are those under the international designations or trade names Acid Yellow 1, Yellow 10, Acid Yellow 23, Acid Yellow 36, Acid Orange 7, Acid Red 33, Acid Red 52, Pigment Red 57: 1, Acid Blue 7, Acid Green 50, Acid Violet 43, Acid Black 1 and Acid Black 52 known compounds. Preferred cationic substantive dyes are included
  • aromatic systems substituted with a quaternary nitrogen group such as Basic Yellow 57, Basic Red 76, Basic Blue 99, Basic Brown 16 and Basic Brown 17, as well as
  • the dyes known under the names Basic Yellow 87, Basic Orange 31 and Basic Red 51 are very particularly preferred cationic substantive dyes of group (c).
  • the cationic substantive dyes sold under the trademark Arianor are also very particularly preferred cationic substantive dyes according to the invention.
  • Preferred nonionic substantive dyes are those under the international designations or trade names HC Yellow 2, HC Yellow 4, HC Yellow 5, HC Yellow 6, HC Yellow 12, HC Orange 1, Disperse Orange 3, HC Red 1, HC Red 3, HC HC Red 11, HC Red 11, HC Red 11, HC Blue 11, HC Blue 2, HC Blue 11, HC Blue 12, Disperse Blue 3, HC Violet 1, Disperse Violet 1, Disperse Violet 4, Disperse Black 9 well-known compounds, as well 1,4-diamino-2-nitrobenzene, 2-amino-4-nitrophenol, 1,4-bis (2-hydroxyethyl) amino-2-nitrobenzene, 3-nitro-4- (2-hydroxyethyl) aminophenol, 2- (2-hydroxyethyl) amino-4,6-dinitrophenol, 4 - [(2-hydroxyethyl) amino] -3-nitro-1-methylbenzene, 1-amino-4- (2-hydroxyethyl) amino-5- Chloro-2-nitrobenzene, 4-amino-3-nitrophenol
  • the substantive dyes each represent uniform compounds. Rather, due to the production process for the individual dyes, minor amounts of other components may be included, as far as these do not adversely affect the dyeing result or for other reasons, e.g. toxicological, must be excluded.
  • direct dyes also naturally occurring dyes may be used, as for example in henna red, henna neutral, henna black, chamomile, sandalwood, black tea, buckthorn bark, sage, bluewood, madder root, Catechu, Sedre and alkano root are included.
  • agent (A) of the invention may also be present in nature dyes such as red henna, henna neutral, henna black, chamomile flower, sandalwood, black tea, buckthorn bark, sage, bluewood, madder root, Catechu, Sedre and alkano root , contain.
  • the actual oxidative coloring of the hair can basically be done with atmospheric oxygen.
  • a chemical oxidizing agent is used, especially if, in addition to the coloring, a lightening effect on human hair is desired. Therefore, in a preferred embodiment of this aspect of the present invention, the agent (A) is prepared immediately prior to use from an agent (A1) containing an oxidation dye precursor and an agent (A2) containing an oxidizing agent.
  • Suitable oxidizing agents are persulfates, chlorites and in particular hydrogen peroxide or its addition products of urea, melamine and sodium borate.
  • the oxidation colorant can also be applied to the hair together with a catalyst which promotes the oxidation of the dye precursors, e.g. by atmospheric oxygen, activated.
  • catalysts are e.g. Metal ions, iodides, quinones or certain enzymes.
  • the actual oxidative hair dye is expediently prepared immediately before use by mixing the preparation of the oxidizing agent (A2) with the preparation (A1) containing the dye precursors.
  • the resulting ready-to-use hair dye preparation (A) should be preferred have a pH in the range of 6 to 12. Particularly preferred is the use of the hair dye in a weakly alkaline medium.
  • the application temperatures can be in a range between 15 and 40 0 C.
  • the hair dye is removed by rinsing of the hair to be dyed. The washing with a shampoo is omitted if a strong surfactant-containing carrier, such as a dyeing shampoo was used.
  • the preparation with the dye precursors can also be applied to the hair without prior mixing with the oxidation component.
  • the oxidation component is then applied, if appropriate after an intermediate rinse.
  • the corresponding agent is adjusted to a pH of about 4 to 7.
  • an air oxidation is initially desired, wherein the applied agent preferably has a pH of 7 to 10.
  • the use of acidified peroxydisulfate solutions may be preferred as the oxidizing agent.
  • the hair is treated with an agent (B) which is obtained by mixing directly before application from an agent (B1) and an agent (B2).
  • the agent (B1) contains at least one reactive carbonyl compound.
  • Reactive carbonyl compounds have in the context of the invention at least one carbonyl group as a reactive group which reacts with the CH-acidic component to form a covalent bond.
  • Preferred reactive carbonyl compounds are selected from compounds which carry at least one formyl group and / or at least one keto group, in particular at least one formyl group.
  • those compounds according to the invention are also suitable as component (Oxo1) in which the reactive carbonyl group is derivatized or masked such that the reactivity of the carbon atom of the derivatized carbonyl group with respect to the component (Oxo2) is always present.
  • These derivatives are preferably addition compounds a) of amines and their derivatives to form imines or oximes as addition compound b) of alcohols to form acetals or ketals as addition compound c) of water to form hydrates as addition compound (component (Oxo1) is derived in in this case c) from an aldehyde) to the carbon atom of the carbonyl group of the reactive carbonyl compound.
  • the agent (B1) contains a reactive carbonyl compound which is selected from 4-hydroxy-2-methoxybenzaldehyde, 2-chloro-3,4-dihydroxybenzaldehyde, 2-bromo-3,4-dihydroxybenzaldehyde, 3 , 4-Dihydroxy-5-methoxybenzaldehyde, 2,3-dihydro-1, 5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carboxaldehyde and 2,4-dimethoxy-benzaldehyde.
  • agents (B1) the 4-hydroxy-2-methoxybenzaldehyde in combination with at least one further reactive carbonyl compound selected from 2-chloro-3,4-dihydroxybenzaldehyde, 2-bromo-3,4-dihydroxybenzaldehyde, 3,4-Dihydroxy-5-methoxybenzaldehyde, 2,3- Dihydro-1, 5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carboxaldehyde and 2,4-dimethoxy-benzaldehyde.
  • the reactive carbonyl compound (s) of the agent (B1) are preferably used in an amount of 0.03 to 65.00 mmol, based on 100 g of the agent (B1).
  • the agent (B2) contains at least one CH-acidic compound of the general formula (CH-1) and / or the general formula (CH-2) (v / cfe supra).
  • CH-acidic compounds are generally considered those compounds which carry a bound to an aliphatic carbon atom hydrogen atom, wherein due to electron-withdrawing substituents, activation of the corresponding carbon-hydrogen bond are effected.
  • the compounds of formula (CH-1) and (CH-2) are C, H-acidic compounds. From the cationic compounds of the formula (CH-1), it is possible by targeted addition of a base which effects the cleavage of a proton to represent the corresponding uncharged enamine form.
  • the corresponding enamine forms of the CH-acidic compounds according to formula (CH-1) are also according to the invention.
  • R and R independently of one another represent a linear or cyclic (C 1 to C 6 ) -alkyl group, a (C 2 to C 6 ) -alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl- (C-1 to C 6) alkyl group, a (C 1 -C 6) - hydroxyalkyl group, a (C 2 -C 6) -polyhydroxyalkyl group, a (C 1 to C 6) alkoxy (C- ⁇ -C 6) - alkyl group , a group R'R M N- (CH 2 ) m -, wherein R 1 and R 11 independently represent a hydrogen atom, a (C 1 to C 4 ) alkyl group, a (C 1 to C 4 ) hydroxyalkyl group or an aryl (C 1 to C 4 ) alkyl group, wherein R 1 and R 11 together with the nitrogen atom can form a 5-,
  • R 10 and R 12 independently of one another represent a hydrogen atom or a C 1 -C 6 -alkyl group, where at least one of the radicals R 10 and R 12 denotes a (C 1 to C 6 ) -alkyl group, R 11 represents a hydrogen atom, a (C 1 to C 6 ) -alkyl group, a (C 1 to C 6 ) -hydroxyalkyl group, a (C 2 to C 6 ) -polyhydroxyalkyl group, a (C 1 to C 6 ) -alkoxy group, a (Ci to C6) - hydroxyalkoxy group, a group R m R lv N- (CH 2) q - wherein R 1 "and R IV are independently a hydrogen atom, a (Ci to C6) alkyl group, a ( Ci to C 6 ) - hydroxyalkyl group or an aryl (Ci to C 6 ) alkyl group and q is a number 1, 2, 3,
  • R V R VI N- (CH 2 ) S - wherein R v and R v ⁇ independently of one another represent a hydrogen atom, a (C 1 to C 6 ) -alkyl group, a (C 1 to C 6 ) -hydroxyalkyl group or an AIyI - (C 1 to C 6 ) -alkyl group and s is a number 0, 1, 2, 3, 4, 5 or 6 may be substituted,
  • Y represents an oxygen atom, a sulfur atom or a group NR V ", wherein R v" stands for a hydrogen atom, an aryl group, a heteroaryl group, a (C 1 to C 6) alkyl group or an aryl (C- ⁇ to C 6 ) alkyl group,
  • At least one group R 10 or R 12 according to formula (CH-3) is necessarily a (C 1 to C 6 ) -
  • Alkyl group preferably carries at least two at the ⁇ -carbon atom thereof
  • alkyl groups are the methyl, ethyl, propyl, n-butyl, iso
  • R 10 and R 12 independently of one another represent hydrogen or a methyl group, where at least one group R 10 or R 12 is a
  • Y of the formula (CH-3) is an oxygen or a
  • Sulfur atom more preferably an oxygen atom.
  • the radical R 8 of the formula (CH-3) is preferably selected from a (C 1 to C 6 ) -alkyl group (particularly preferably a methyl group), a (C 2 to C 6 ) -alkenyl group (in particular an allyl group), a
  • R 11 of the formula (CH-3) is preferably a hydrogen atom.
  • R 11 is a hydrogen atom
  • Y is an oxygen or a sulfur atom
  • the radical R 8 is selected from a (C 1 to C 6 ) alkyl group (particularly preferably a methyl group), a (C 2 to
  • alkenyl group especially an allyl group
  • a (C 2 to C 6 ) hydroxyalkyl group especially a 2-hydroxyethyl group
  • an optionally substituted benzyl group especially an allyl group
  • the C, H-acidic compound of the agent (B2) is selected from the physiologically acceptable salts of 1-allyl-1,2-dihydro-3,4,6-trimethyl-2-oxo - pyrimidiniums, 1, 2-dihydro-1, 3,4,6-tetramethyl-2-oxo-pyrimidiniums and 2- (cyanomethyl) benzimidazole.
  • agents (B2) which necessarily contain a salt of the 1-allyl-i, 2-dihydroxy
  • CH-acidic compounds of the formula (CH-1) and / or the formula (CH-2) in the agent (B2) are preferably used in an amount of 0.03 to 65.00 mmol, based on 100 g of the agent ( B2).
  • the specific combinations of C, H-acidic compound and reactive carbonyl compound have proven to be particularly advantageous. With regard to these combinations, reference should be made explicitly to the corresponding statements of the associated priority document at this point.
  • At least one developer component and optionally at least one coupler component may be present as oxidation dye precursors.
  • a second subject of the present invention is therefore a process for dyeing gray-haired Asian hair, in which the grayed hair parts are treated with an agent (B) immediately before use
  • At least one agent (B1) which comprises, in a cosmetic carrier, 4-hydroxy-2-methoxybenzaldehyde and at least one further reactive carbonyl compound selected from 2-chloro-3,4- dihydroxybenzaldehyde, 2-bromo-3,4-dihydroxybenzaldehyde, 3,4-dihydroxy-5-methoxybenzaldehyde, 2,3-dihydro-1, 5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carboxaldehyde and 2,4-dimethoxybenzaldehyde, and at least one agent (B2) containing in a cosmetic carrier 1-allyl-1,2-dihydro-3,4,6-trimethyl-2-oxopyrimidinium bromide and optionally 2- (cyanomethyl) benzimidazole obtained by mixing.
  • agent (B2) which comprises, in a cosmetic carrier, 4-hydroxy-2-methoxybenzaldehyde and at least one further reactive carbonyl compound selected from 2-chloro
  • the stability of the particular CH-acidic compounds can be increased if the agent (B2) contains these in a cosmetic carrier and has a pH of 0.5 to 2.5.
  • the stability of the formulation increases to such an extent that there is no significant degradation of the content of CH-acidic compound even when stored for several months.
  • the agent (B1) has a pH of between 3 and 4.5, therefore this pH range is particularly preferred. Furthermore, it is particularly preferred if the agent (B2) has a pH of 1 to 2 and particularly preferably a pH of 1.1 to 1.9.
  • the pH values for the purposes of the present invention are pH values which are measured at a temperature of 22 ° C.
  • the adjustment of the pH in the agents (B1) and / or (B2) can be carried out with the aid of an organic or inorganic acid such as hydrochloric, sulfuric, hydrobromic, phosphoric, acetic, tartaric, citric, lactic, malic or glycolic acid.
  • an organic or inorganic acid such as hydrochloric, sulfuric, hydrobromic, phosphoric, acetic, tartaric, citric, lactic, malic or glycolic acid.
  • the adjustment of the pH values according to the invention with the aid of sulfuric acid, hydrochloric acid, tartaric acid, citric acid, malic acid or lactic acid is particularly preferred.
  • the agents (B1) and (B2) can be intimately mixed with one another shortly before application to the hair fiber.
  • a third component (B3) which comprises at least one alkalizing agent in a cosmetic carrier can be added to the mixture of the agents (B1) and (B2). It is preferred according to the invention if the agent (B3) has a pH of 7 to 10. Furthermore, it is preferred if the ready-to-use agent (B) after addition of the agent (B3) has a pH of 7 to 10.
  • alkalizing agents selected from the group consisting of ammonia, basic amino acids, alkali hydroxides, alkanolamines, alkali metal metasilicates, urea, morpholine, N-methylglucamine, imidazole, alkali phosphates and alkali hydrogen phosphates may be preferably used , are used.
  • the alkali metal ions used are preferably lithium, sodium, potassium, in particular sodium or potassium.
  • the basic amino acids which can be used as alkalizing agents according to the invention are preferably selected from the group formed from L-arginine, D-arginine, D, L-arginine, L-histidine, D-histidine, D, L-histidine, L-lysine, D-lysine, D, L-lysine.
  • L-arginine, D-arginine, D, L-arginine are particularly preferably used as an alkalizing agent according to the invention.
  • the alkali metal hydroxides which can be used as the alkalizing agent according to the invention are preferably selected from the group formed from sodium hydroxide and potassium hydroxide.
  • the alkanolamines which can be used as alkalizing agents according to the invention are preferably selected from primary amines having a C 2 -C 6 -alkyl basic body which carries at least one hydroxyl group.
  • alkanolamines are selected from the group formed from 2-aminoethan-1-ol (monoethanolamine), 3-aminopropan-1-ol, 4-aminobutan-1-ol, 5-aminopentan-1-ol, 1 -Aminopropan-2-ol, 1-aminobutan-2-ol, 1-aminopentan-2-ol, 1-aminopentan-3-ol, 1-aminopentan-4-ol, 3-amino-2-methylpropan-1-ol , 1-amino-2-methylpropan-2-ol, 3-aminopropane-1, 2-diol, 2-amino-2-methylpropane-1,3-diol.
  • Very particularly preferred alkanolamines according to the invention are selected from the group consisting of 2-aminoethane-1-ol, 2-amino-2-methylpropan-1-ol and 2-amino-2-methylpropane-1,3-diol.
  • the alkalizing agent is particularly preferably selected from at least one compound from the group formed from ammonia, 2-aminoethanol, 2-amino-2-methylpropan-1-ol, 2-amino-2-methyl-propane-1, 3 diol, potassium hydroxide, sodium hydroxide, L-arginine, D-arginine, DL-arginine, N-methylglucamine, morpholine, imidazole and urea.
  • Very particularly preferred alkalizing agents according to the invention are monoethanolamine, ammonia, sodium hydroxide, potassium hydroxide and / or arginine.
  • buffer systems adjusted to a pH greater than 7 can also be used in agent (B3).
  • the pH buffer system is considered to be those chemical compounds or a combination of chemical compounds which, in a solution, cause the pH of the solution to change only slightly when a small amount of acid or alkali is added to a volume of the cosmetic carrier. This change is less pronounced than is the case when the same amount of acid or lye is added to an equal volume of the cosmetic carrier without the pH buffer system.
  • Such pH buffer systems are preferably selected from at least one member selected from the group consisting of bicarbonate, organic acid (especially citric acid) / monohydrogen phosphate, human acid (especially citric acid) / dihydrogen phosphate, tris (hydroxymethyl) aminomethane / maleic acid / NaOH, Tris (hydroxymethyl) aminomethane / maleic acid / KOH, tris (hydroxymethyl) aminomethane / HCl, monohydrogen phosphate / dihydrogen phosphate, dihydrogen phosphate / NaOH, dihydrogen phosphate / KOH, H 3 BO 3 / KCl / NaOH, H 3 BO 3 / KCl / KOH, borate / HCl, borate / halide (especially chloride such as potassium chloride) / NaOH, borate / halide (especially chloride such as potassium chloride) / KOH, Theorell and Stenhagen buffer system, Mcllvine buffer system, glycine /
  • Particularly preferred pH buffer systems are selected from at least one member of the group formed from tris (hydroxymethyl) aminomethane / maleic acid / NaOH, tris (hydroxymethyl) amino methane / maleic acid / KOH, tris (hydroxymethyl) aminomethane / HCl, Borate / HCI and H 3 BO 3 / KCl / NaOH.
  • the slotted pH buffer systems from the above list represent mixtures of these compounds separated by the slash.
  • the anionic compounds listed are used in the form of their salts with a corresponding mono- or polyvalent cation. Preferred cations are alkali metal cations (especially sodium or potassium) and ammonium ions.
  • Useful acids which can be used according to the invention in the buffer systems are, for example, citric acid, tartaric acid or malic acid or mixtures thereof.
  • the pH buffer system is preferably in an amount of 0.1 to 10.0 wt .-%, particularly preferably from 0.3 to 5.0 wt .-%, most preferably from 0.5 to 3.0 wt. %, in each case based on the weight of the application mixture of agent (B1), agent (B2) and agent (B3), in the ready-to-use colorant.
  • the pH of the final application mixture prepared by mixing the agents (B1), (B2) and (B3) may be from 7.5 to 11. If the pH of the final application mixture is in the range of 7.5 to 9.0, it is preferred.
  • the agents used in the process according to the invention contain the essential components of the invention in a cosmetically acceptable carrier.
  • a suitable aqueous, alcoholic or aqueous-alcoholic carrier is preferably used.
  • such carriers are, for example, creams, emulsions, gels or else surfactant-containing foaming solutions, for example shampoos, foam aerosols or other preparations which are suitable for use on the hair.
  • surfactant-containing foaming solutions for example shampoos, foam aerosols or other preparations which are suitable for use on the hair.
  • aqueous-alcoholic solutions are to be understood as meaning aqueous solutions containing from 3 to 70% by weight of a C 1 -C 4 -alcohol, in particular ethanol or isopropanol.
  • the compositions of the invention may additionally contain other organic solvents, such as methoxybutanol, benzyl alcohol, ethyl diglycol or 1, 2-propylene glycol. Preference is given to all water-soluble organic solvents.
  • the agents (B1), (B2) and optionally (B3) used according to the invention are adjusted to low viscosity.
  • Application preparations which, after mixing components (B1), (B2) and optionally (B3) have a viscosity of from 0 to 2000 mPas (measured at 22 ° C. in a Brookfield viscometer with spindle 4 and a speed of 4 rpm), have proven to be particularly preferred. Viscosity from 0 to 100mPa, measured under the conditions mentioned, is particularly preferred according to the invention.
  • a viscosity of from 50 to 500 mPas (measured at 20 ° C.
  • the application ready means (B) by means of an application device (1) with at least one container (2) for receiving the agent (B), with an application head (3) which is connected to the at least one container (2) and a porous applicator body (31) to apply to human hair by repainting.
  • the porous applicator has continuous pores to achieve capillary action.
  • the capillary properties of the applicator body wickingly associated with the agent (B) provide for reliable transport of the agent (B) from the at least one container and metered application of the agent (B) by recoating on the fibers.
  • the application body preferably has a fibrous, sponge, foam, felt or sintered material-like material structure. This material structure causes the desired capillary action of the application body, so that, for example, an unwanted leakage or dripping of the agent (B) from the application body is omitted, but at the same time a reliable fluid delivery is ensured by means of the application body.
  • the porous application body can also have a plurality of pin-shaped projections. This increases the effective surface of the application body and thus improves the application of the agent (B). As a result, a better staining result is ensured quantitatively as well as qualitatively by means of the brushing movement of the application body via the hair.
  • the application head has a plurality of possibly detachably arranged, comb teeth. These comb teeth are arranged in particular adjacent to the application body.
  • the stroking movement of the entire application head during the application ensures by means of the comb teeth initially for a disentanglement of the hair and thus, above all, for a uniform application of the agent (B).
  • the detachable arrangement of the comb teeth on the application head allows a more versatile use of the application device. It also proves to be advantageous for such an arrangement when the comb teeth protrude from the porous applicator body.
  • a preferred embodiment of the application device is to arrange the comb teeth of the application head in a circle around the application body. Regardless of the respective brushing direction, the hair is first unraveled during use in each case before the actual application of the agent (B) takes place.
  • the actual agent (B) is prepared only immediately before use by mixing the preparation (B1), (B2) and optionally (B3).
  • correspondingly designed storage and mixing containers are required in the context of the overall device.
  • the suitably designed storage and mixing containers guarantee on the one hand before use a sufficient Storage stability for the individual components of the agent (B) and on the other hand ensure an appropriate handling of the overall device during use.
  • different variants of the application device are possible. These different variants have in common that immediately before the application, the already mixed preparation of the application liquid is in the container of the device according to the invention.
  • the container is connected to the application head. For the container, a variety of design options is conceivable.
  • this container can be ergonomically adapted in its shape to the application process in order to facilitate the handling of the application device for the user.
  • the container can be designed both as a separate application container, in which the ready-mixed preparation of the application liquid is filled before starting the application.
  • the container serves both as an application container, as well as before application as a mixing container. Mixing container and application container are identical in this variant and form the container. For both embodiments, a variety of ways will be described below to design such mixing container constructive.
  • the first container contains the agent (B1)
  • the second container the means (B2)
  • the third container serves as a mixing container
  • a fourth container may optionally contain the agent (B3).
  • Further additional storage containers are possible.
  • the desired amount is added from the two or three storage containers in the mixing container, this closed, and the components are mixed together, for example, by subsequent shaking of the mixing container.
  • the mixing process can be accelerated by the fact that internals in the mixing vessel when shaking produce a turbulent flow (high Reynolds numbers) and thus improve and accelerate the mixing process.
  • internals in the mixing vessel when shaking produce a turbulent flow (high Reynolds numbers) and thus improve and accelerate the mixing process.
  • the components are particulate or granular components
  • internals in the form of stirrers achieve a similar result.
  • Another embodiment within the scope of the present invention is to provide one or more of the liquid soluble material reservoirs.
  • These soluble storage containers are placed in the mixing container and there dissolved by the respective solvent, preferably a component of the mixture to be prepared.
  • This embodiment has the advantage for the user of never coming into contact with individual components packed in the storage containers during the preparation of the overall preparation.
  • such soluble storage containers are designed as a foil bag.
  • a further variant for producing mixtures according to the invention is the provision of at least two separate containers for storing the respective component, wherein at least one of the containers simultaneously acts as a mixing container.
  • at least two separate containers for storing the respective component, wherein at least one of the containers simultaneously acts as a mixing container.
  • all the above examples of the variant with at least three containers are also conceivable within the scope of the present invention.
  • Umhell Anlagenn both in two storage containers, one of which additionally serves as a mixing container and in the variant with at least three containers (ie a separate mixing container), it may be advantageous to provide Umhell Anlagenn, which ensure that when transferring from the storage containers in the mixing container / combined Vorratsmisch relieer no single component is spilled.
  • Umhell Anlagenn are, for example, extended Ausg screenrohre that allow the nesting of reservoir and mixing container and means for fixing the reservoir to the mixing container during Um vorllvorgangs.
  • fixing means are for example snap-locking connections, screw or bayonet.
  • means which provide pressure equalization between the two containers during the transfer operation.
  • Such means are, for example, arranged within the opening of a reservoir tubes, which can act as a snorkel.
  • one-way valves in the rratsbe container for pressure equalization are conceivable for such functionalities.
  • closures which only opens upon a triggering command.
  • the user can ensure that the transfer process does not start until the reservoir and mixing container are in the correct position for the mixing process.
  • closures is, for example, a tear-open film which tears open due to an increased internal pressure in the storage container and thus starts the transfer process.
  • the internal pressure in the reservoir can be increased for example by pumping means or by simply squeezing.
  • Such a separation can be generated for example by partitions through which a container is formed with two or optionally three separate chambers.
  • the mixture in such a system is created by the destruction of the Partitions or by the arrangement of valves in the partitions.
  • destructible partitions it may be useful to achieve this destructibility either by increasing the internal pressure or by mechanical means that are directly or indirectly operable from outside the container.
  • An embodiment of such mixing containers can be, for example, a storage container whose destructible dividing wall can be destroyed by mechanical means mounted on the applicator head and projecting into the container. The destruction takes place in such a case by screwing or placing the applicator head in the application position.
  • a fixed partition with a one-way valve.
  • a one-way valve could open, for example, by increasing the internal pressure in one of the chambers and thus transfer the component from one chamber to the other chamber.
  • the increase in internal pressure can be achieved by the flexible design of the entire container and its compression by the user's hand. Also, additional pumping means are quite conceivable.
  • a mixing device with a single container and different chambers separated by partitions, which serve as a reservoir, it may be advantageous to provide an empty mixing chamber in addition to the storage chambers before the start of the mixing process.
  • an element for transferring the components from the individual storage chambers in the mixing chamber may, as already described above embodiments, destructible walls, but also one-way valves in the direction of the mixing chamber.
  • the agents (B1), (B2) and optionally (B3) used in the process are adjusted to medium viscosity.
  • Application formulations which have a viscosity of from 0 to 15,000 mPas (measured at 22 ° C. in a Brookfield viscometer with spindle 4 and a speed of 4 rpm) after mixing components (B1), (B2) and optionally (B3) have proved to be particularly preferred.
  • a dispensing system may be used which has at least two containers, each of these containers having at least one outlet opening.
  • the outlet openings of the container or the container itself are arranged so that the outlet openings are insulated from each other.
  • the hair color-changing agent delivery system comprises exactly two containers, each of these containers having at least one outlet opening.
  • the at least two containers can have all conceivable geometries for this purpose. Even if all conceivable container shapes are to be encompassed according to the invention, those which are of cylindrical design are preferred according to the invention. However, it is also conceivable that containers in the form of figures, such as figures and / or animals, are used. Furthermore, of course, from the combination of the container together and with the outlet openings may result in a different geometry.
  • the containers in particular if they are cylindrical, may, for example, have a round, an oval, a square, a triangular, a rectangular or a trapezoidal base. According to the invention, containers are also to be included with such base surfaces, which result from the abovementioned bases by slight modification, such as a rounding of the corners.
  • the delivery system according to the invention may be designed in one piece.
  • the hair color changing means dispensing system comprises two containers having a round or square base with rounded corners.
  • the containers are preferably arranged side by side in the context of this embodiment.
  • the containers have an oval or a rectangular base with rounded corners.
  • the preferably two containers may further be geometrically shaped so that they can be inserted against one another or into one another and thus mechanically or firmly releasably connected to each other. This can be achieved, for example, in that one container at least partially surrounds the other in its circumference and clamps it in a defined position. An exact positioning of the container to each other can be brought about, for example, that one of the container has on its surface locking nubs or locking lugs, which engage in corresponding recesses or recesses of the second container and prevent slipping of the container to each other.
  • the containers can also be designed such that one of the containers has at least one groove on its surface and the other container has at least one spring engaging therein, so that the containers can be put together in this way.
  • This embodiment with tongue and groove can advantageously be further developed in that the groove or the spring locking nubs and, accordingly, the spring or the groove corresponding thereto locking recesses.
  • This latching means so the locking knobs and - depressions, lock the connector of the two interconnected containers, so that they can only be separated from each other with increased force.
  • the containers may be formed as two identically shaped halves in a substantially geometrically designed as a truncated cone output system, the truncated cone has on its narrow side two each side of the central axis arranged outlet openings.
  • Each of the halves, so the container thus has a convex outer side, which forms one half of the truncated cone surface, and a substantially planar Outside on, on which the halves abut each other.
  • Each of the halves is formed so that the lower part merges smoothly over the entire height of the truncated cone in each offset from the central axis to the side outlet.
  • the flat outer side of each half furthermore has at least one mechanical connecting element, such as, for example, tongue and groove, so that the halves can be put together and firmly connected to one another.
  • the at least two containers are made of plastic, plastic-containing multilayer films, metallized films or metal.
  • the spatially isolated outlet openings are arranged according to the invention such that a mixing of the different means is excluded during storage. It may be preferred according to the invention, when the outlet openings are arranged such that the two or more agents intimately mix when applied to the hair. Moreover, according to the invention, it may also be preferable to design the outlet openings in such a way that backmixing following the application is avoided.
  • two separate applicator attachments can be installed on the at least two isolated outlet openings.
  • the at least two containers are fixedly or permanently detachably connected to each other and each of them carries an applicator attachment. It is conceivable according to the invention that two identical but also two different applicator attachments are used.
  • the at least two spatially isolated outlet openings can also carry a common applicator attachment with two separate openings.
  • the at least two containers are independent of each other and are held together by the common applicator attachment.
  • the at least two containers are already linked together and the common applicator attachment produces an additional connection.
  • the outlet openings and their spatial environment according to the invention are designed such that they are suitable for applying the agent to the hair.
  • the present invention should not be subject to any restrictions, it has proven to be advantageous if the applicator attachment is designed in such a way that bristles, combs or rods surrounded by cotton wool are arranged around the exit opening.
  • a sponge is arranged.
  • a fiber composite reaches into at least one outlet opening.
  • a ball valve is arranged.
  • Very particularly preferred according to the invention is a circular arrangement of bristles around the outlet opening.
  • each of the containers has a plurality of outlet openings arranged next to one another.
  • Application aids such as bristles, a sponge, a comb, a cotton-wrapped rod, a ball valve or a fiber composite are arranged.
  • the applicator attachment can also be further developed in that the edge of an outlet opening has at least one protrusion protruding from the outlet opening in the direction of flow. This can be applied to the hair on the scalp when applying the means from the associated container on the hair, so that so that a minimum distance between the outlet opening and the scalp is ensured.
  • the applicator attachment can also be designed so that the edge of the outlet opening has two projections on two opposite sides, so that the outlet opening is arranged between the projections.
  • an applicator opening can be placed on the hair so that a strand of hair is separated from the other hairs by the two projections and the agent is applied exactly and exclusively to the detected strand.
  • an applicator tip can still be further developed in that the applicator has bristles or an application sponge between the projections in order to ensure a uniform application of the agent to be applied.
  • the applicator openings thus provided with projections, it has proved to be advantageous if they are arranged spatially so that when touching the applicator over the hair all outlet openings touch the same strand of hair, so that a uniform mixing of the components is ensured on the hair.
  • the present invention should not be limited in any way.
  • the application can be done for example by gravity, by capillary forces or by pressure application.
  • the pressure output at this point the exercise of pressure on flexible walls, the internal pressure (aerosol application) and pumping mechanisms are mentioned.
  • the agents (B1), (B2) and optionally (B3) used in the process are adjusted to high viscosity.
  • Application formulations which have a viscosity of from 0 to 20,000 mPas (measured at 22 ° C. in a Brookfield viscometer with spindle 4 and a speed of 4 rpm) after mixing components (B1), (B2) and optionally (B3) have proved to be particularly preferred.
  • Laminated aluminum has proved to be particularly suitable as a tube material according to the invention.
  • tubes made of plastic laminate (PE, PET, PP) or plastic coextrudates (PE, PET, PP) are also conceivable.
  • tubes have proven to be made of aluminum laminate, which is optionally still protected with a lacquer or made of plastic laminate.
  • Under aluminum laminate is understood according to the invention a coated with plastic aluminum layer.
  • the agents (B1), (B2) and optionally (B3) are each formulated separately in tubes. However, it may also be preferred according to the invention, two of the components to assemble together in a two-chamber tube. It is conceivable to assemble the means (B1) and (B2) as well as the means (B1) and (B3) as well as the means (B2) and (B3) together. Regardless of the distribution on the different tubes, the agents (B1), (B2) and optionally (B3) can be removed from the tubes immediately before use and transferred to a suitable mixing container. After thoroughly mixing the agents (B1), (B2) and, if appropriate, (B3), the resulting application mixture can then be applied to the hair parts to be treated with suitable aids, such as, for example, a brush or a comb.
  • suitable aids such as, for example, a brush or a comb.
  • the means (B1), (B2) and, if appropriate, (B3) are placed next to one another strand-like on a comb. Subsequently, the comb is pulled through the strands to be treated, wherein a thorough mixing of the various agents occurs and thus the coloration is initiated.
  • the agents used in the process according to the invention contain at least one alkyl phosphoric acid ester.
  • the agents used in the process according to the invention contain at least one alkyl phosphoric acid ester.
  • Particularly preferred according to the invention is the use of the at least one alkylphosphoric acid ester in the agent (B2).
  • Alkylphosphoric acid esters are understood according to the invention to be esters of phosphoric acid, where at least one alcohol is a derivative of a fatty alcohol. It may be preferred according to the invention if the agents of the present application contain at least one alkyl phosphoric acid ester of the formula (V)
  • R 1 , R 2 and R 3 are each independently a hydrogen atom, an alkali metal cation or a radical of the formula (II)
  • R 4 m n (vi), where m and n are each independently an integer between 0 and 20 and R 4 is a saturated or unsaturated, branched or unbranched C 5-28 -alkyl radical, with the proviso that at least one of the radicals R 1, R 2 or R 3 is a radical of formula (VI). Furthermore, it has proved to be preferred if the agents according to the invention contain at least one alkylphosphoric acid ester of the formula (V) in which one of the radicals R 1 , R 2 or R 3 is a hydrogen atom. Likewise, it has proved to be advantageous if at least one of the radicals R 1 , R 2 or R 3 is a
  • Alkali metal cation preferably a sodium cation, a potassium cation or a lithium cation.
  • Sodium cation and a potassium cation are most preferred.
  • the agents according to the invention at least one
  • Alkylphosphoric acid esters of the formula (V) include, in which the radical R 4 represents a saturated or unsaturated, branched or unbranched C 12-22 alkyl group, particularly an unsaturated
  • Alkyl radical most preferably for an oleyl radical.
  • alkylphosphoric acid esters examples include the diesters of phosphoric acid and ethoxylated lauryl alcohol (INCI name: Dilaureth-4 Phosphate), which are available under the
  • Phosphoric acid and ethoxylated cetearyl alcohol (INCI name: triceteareth-4 phosphates), the
  • Triesters of phosphoric acid and ethoxylated oleyl alcohol (INCI name: Trioleth-8 phosphates), the triesters of phosphoric acid and oleyl alcohol (INCI name: Trioleyl Phosphate) and the
  • alkyl phosphoric acid esters with partially or perfluorinated alkyl groups for example those of the general formula (V), in which the radicals R 1 , R 2 and R 3 independently of one another in addition to the meanings mentioned above for a group
  • R f - (CH 2 ) ⁇ - (OCH 2 CH 2 ) y - may be, wherein R f is a perfluorinated alkyl radical having 4 to 20, preferably 6 to 18 C-atoms, x is a number from 0 to 4, preferably for 2 and y for a number of
  • Suitable fluorinated alkylphosphoric acid esters are the reaction products of the reaction of fluorinated, optionally ethoxylated alcohols with phosphoric acid, POCl 3 , P 4 O 10 or
  • Polyphosphoric acid for example, the diethanolammonium salt of
  • Perfluoroalkylethyl phosphate which is sold under the trade name HOE S 2746 by the company Clariant.
  • compositions according to the invention containing at least one dialkylphosphoric acid ester and / or at least one ethoxylated monoalkylphosphoric acid ester are particularly preferred according to the invention.
  • agents according to the invention contain two different alkylphosphoric acid esters, a
  • a very particularly preferred alkylphosphoric acid ester combination according to the invention is a
  • inventive compositions additionally contain at least one optionally ethoxylated and / or propoxylated fatty alcohol.
  • adducts of 0 to 30 moles of ethylene oxide, preferably 2 to 25 moles of ethylene oxide, in particular 10 to 20 moles of ethylene oxide, and / or 0 to 5 moles of propylene oxide are added to linear fatty alcohols containing 8 to 22 carbon atoms under optionally ethoxylated and / or propoxylated fatty alcohols. atoms.
  • fatty alcohols which are preferred according to the invention are caproic alcohol, capryl alcohol, 2-ethylhexyl alcohol, capric alcohol, lauryl alcohol, isotridecyl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petrolinyl alcohol, linolyl alcohol, linolenyl alcohol, elaeostearyl alcohol, arachyl alcohol, gadoleyl alcohol , Behenyl alcohol, erucyl alcohol and brassidyl alcohol and their technical mixtures, for example incurred in the high-pressure hydrogenation of technical methyl esters based on fats and oils or aldehydes from the Roelen oxo synthesis and as a monomer fraction in the dimerization of unsaturated fatty alcohols.
  • fatty alcohols having 12 to 18 carbon atoms such as, for example, coconut, palm, palm kernel or tallow fatty alcohol.
  • fatty alcohol ethoxylates such as, for example, ceteareth-12, ceteareth-20 and ceteareth-30.
  • Alkylphosphorklar GmbH to which a fatty alcohol ethoxylate has already been added, as for example under the trade names Crodafos ® CES (INCI name: Cetearyl Alcohol, Dicetyl Phosphate, Ceteth-10 Phosphate) and Crodafos ® CS -20 (INCI name: Cetearyl Alcohol, Dicetyl Phosphate, Ceteth-20 Phosphate) are sold by the company Croda.
  • the alkylphosphoric acid esters are used in the compositions according to the invention in an amount of preferably from 0.01 to 80% by weight, more preferably in an amount of from 0.1 to 10% by weight, based in each case on the weight of the mixture ready for use.
  • Particularly advantageous dissolving agents according to the invention are a) glycerol mono- and diesters and sorbitan mono- and diesters of saturated and unsaturated fatty acids having 6 to 22 carbon atoms and their ethylene oxide addition products; b) addition products of 15 to 60 moles of ethylene oxide with castor oil and / or hydrogenated castor oil and c) addition products of 20 to 30 moles of ethylene oxide and / or 20 to 20 moles of propylene oxide to linear fatty alcohols having 4 to 8 carbon atoms and to alkylphenols having 8 to 15 C atoms in the alkyl group.
  • Preferred solubilizers of group a) are, for example, ethoxylated sorbitan monoesters of lauric acid or oleic acid, as are known, for example, under the INCI names polysorbate-20 and polysorbate-80.
  • Preferred solubilizers of group b) are, for example, addition products of about 40 moles of Eo hydrogenated castor oil, as for example under the INCI name PEG-40 Hydrogenated Castor
  • OiI are commercially available.
  • a preferred solubilizer of group c) is, for example, the adduct of about 26 moles
  • PPG and about 26MoI PEG of butyl alcohol as for example under the INCI name PPG-26-
  • Buteth-26 is commercially available.
  • solubilizers are used in the middle (B1) containing at least one reactive carbonyl compound.
  • solubilizers are contained in the compositions used according to the invention preferably in an amount of from 0.1 to 10% by weight, in particular from 0.5 to 6% by weight, based on the particular agent.
  • the ready-to-use colorants contain at least one surfactant, with both anionic and zwitterionic, ampholytic, nonionic and cationic surfactants being suitable in principle.
  • the surfactants from anionic, zwitterionic or nonionic
  • Preferred anionic surfactants are alkyl sulfates, alkyl polyglycol ether sulfates and ether carboxylic acids with
  • Salts of saturated and in particular unsaturated C 8 -C 22 -carboxylic acids such as oleic acid, stearic acid,
  • Zwitterionic surfactants are those surface-active compounds which have at least one quaternary ammonium group in the molecule and at least one
  • Betaines such as the N-alkyl-N, N-dimethylammonium glycinates, for example the cocoalkyldimethylammoniumglycinate, N-acylaminopropyl-N, N-dimethylammoniumglycinate, for example the cocoacylaminopropyldimethylammoniumglycinate, and 2-alkyl-3-ylcinate carboxymethyl-3-hydroxyethyl-imidazolines having in each case 8 to 18 C atoms in the alkyl or acyl group, and also the cocoacylaminoethylhydroxyethylcarboxymethylglycinate.
  • a preferred zwitterionic surfactant is that under the CTFA designation
  • Cocamidopropyl betaine known fatty acid amide derivative.
  • Ampholytic surfactants are surface-active compounds which, apart from a C 8 -i 8 alkyl or acyl group in the molecule at least one free amino group and at least one -
  • ampholytic surfactants are N-alkylglycines, N-alkylpropionic acids, N-alkylaminobutyric acids,
  • N-alkyliminodipropionic acids N-hydroxyethyl-N-alkylamidopropylglycines, N-alkyltaurines, N-alkylsarcosines, 2-alkylaminopropionic acids and alkylaminoacetic acids each having about 8 to 18 C atoms in the
  • ampholytic surfactants are N-cocoalkylaminopropionate,
  • Nonionic surfactants contain as hydrophilic group z.
  • a polyol group a polyalkylene glycol ether group or a combination of polyol and Polyglykoletheroli.
  • Such compounds are, for example
  • cationic silicone oils such as, for example, the commercially available products Q2-7224 (manufacturer: Dow Corning, a stabilized trimethylsilylamodimethicone), Dow Corning 929 emulsion (containing a hydroxylamino-modified silicone, which is also referred to as amodimethicone) , SM-2059 (manufacturer: General Electric), SLM-55067 (manufacturer: Wacker) and Abil ® quat 3270 and 3272 (manufacturer: Th Goldschmidt; diquaternary polydimethylsiloxanes, Quaternium 80th).
  • Alkylamidoamines in particular fatty acid amidoamines, such as the stearylamidopropyldimethylamine obtainable under the name Tego Amid® S 18, are distinguished not only by a good conditioning action but also by their good biodegradability.
  • estersquats such as the Methylhydroxyalkyldialkoyloxyalkylammonium- marketed under the trademark Stepantex ® methosulfates.
  • Glucquat ® 100 is, according to CTFA nomenclature a "lauryl methyl Gluceth-10 Hydroxypropyl Dimonium Chloride”.
  • the compounds containing alkyl groups used as surfactants may each be uniform substances. However, it is usually preferred to start from the production of these substances from native plant or animal raw materials, so as to obtain substance mixtures with different, depending on the particular raw material alkyl chain lengths.
  • both products with a "normal” homolog distribution and those with a narrow homolog distribution can be used.
  • "normal” homolog distribution are meant mixtures of homologs which are in the reaction of fatty alcohol and alkylene oxide using alkali metals, alkali metal hydroxides or alkali metal alcoholates as catalysts. Narrowed homolog distributions, on the other hand, are obtained when, for example, hydrotalcites, alkaline earth metal salts of ether carboxylic acids, alkaline earth metal oxides, hydroxides or alcoholates are used as catalysts. The use of products with narrow homolog distribution may be preferred.
  • the constituents of the cosmetic carrier are used to prepare the agent A, the agent (B1), the agent (B2) and optionally also the agent (B3) in amounts customary for this purpose; z. B. emulsifiers are used in concentrations of 0.5 to 30 wt .-% and thickening agents in concentrations of 0.1 to 25 wt .-% based on the respective agent.
  • a third object of the present invention is the use of an agent (B) immediately before use
  • At least one agent (B1) containing at least one reactive carbonyl compound in a cosmetic carrier At least one agent (B1) containing at least one reactive carbonyl compound in a cosmetic carrier, and
  • At least one agent (B2) which contains in a cosmetic carrier at least one C, H-acidic compound selected from compounds of the formula (CH-1) and / or compounds of the formula (CH-2),
  • R 6 is a linear or cyclic (C 1 to C 6 ) alkyl group, a (C 2 to C 6 ) alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl (C 1 to C 6 ) alkyl group, a (C 1 to C 6) hydroxyalkyl group, a (C 2 -C 6) -polyhydroxyalkyl group, a (C 1 to C 6) alkoxy alkyl (C- ⁇ to C 6), a group R ' R M is N- (CH 2 ) m -, in which R 1 and R 11 independently of one another represent a hydrogen atom, a (C 1 to C 4 ) -alkyl group, a (C 1 to C 4 ) -hydroxyalkyl group or an aryl- ( d to C 6 ) -alkyl group, where R 1 and R 11 together with the nitrogen atom can form a 5-, 6- or 7-membered
  • R 7 is a (C 1 to C 6 ) -alkyl group, in particular a methyl group
  • X " is a physiologically acceptable anion
  • the cycle of the formula (CH-1) represents all ring structures which additionally contain further heteroatoms such as nitrogen, oxygen or may contain sulfur and may further carry fused ring structures, all of which ring structures may carry additional substituents,
  • Het is an optionally substituted heteroaromatic
  • X 1 stands for a direct bond or a carbonyl group, obtained by mixing, for coloring the freshly grown hair roots of hair, which were previously treated with an oxidative dye.
  • a fourth object of the present invention is to use an agent (B) immediately before use
  • At least one agent (B1) containing at least one reactive carbonyl compound in a cosmetic carrier At least one agent (B1) containing at least one reactive carbonyl compound in a cosmetic carrier, and
  • At least one agent (B2) which contains in a cosmetic carrier at least one C, H-acidic compound selected from compounds of the formula (CH-1) and / or compounds of the formula (CH-2),
  • R 6 is a linear or cyclic (C 1 to C 6 ) alkyl group, a (C 2 to C 6 ) alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl (C 1 to C 6 ) alkyl group, a (C 1 to C 6) hydroxyalkyl group, a (C 2 -C 6) -polyhydroxyalkyl group, a (C 1 to C 6) alkoxy alkyl (C- ⁇ to C 6), a group R ' R M is N- (CH 2 ) m -, in which R 1 and R 11 independently of one another represent a hydrogen atom, a (C 1 to C 4 ) -alkyl group, a (C 1 to C 4 ) -hydroxyalkyl group or an aryl- ( d to C 6 ) -alkyl group, where R 1 and R 11 together with the nitrogen atom can form a 5-, 6- or 7-membered
  • R 7 is a (C 1 to C 6 ) alkyl group, in particular a methyl group
  • X ' is a physiologically acceptable anion
  • the cycle of the formula (CH-1) represents all ring structures which additionally contain further heteroatoms such as nitrogen, oxygen or may contain sulfur and may further carry fused ring structures, all of which ring structures may carry additional substituents,
  • Het is an optionally substituted heteroaromatic
  • X 1 is a direct bond or a carbonyl group, obtained by mixing, for dyeing graying Asian hair.
  • a fifth subject of the present invention is a multi-part staining kit for carrying out the method according to the invention, comprising an agent (B1) which, in a cosmetic carrier, is 4-hydroxy
  • Dimethoxy-benzaldehyde and an agent (B2) containing in a cosmetic vehicle 1-allyl-1,2-dihydro-3,4,6-trimethyl-2-oxopyrimidinium bromide 1, 2-dihydro-1, Contains 3,4,6-tetramethyl-2-oxo-pyrimidiniums and / or 2- (cyanomethyl) benzimidazole.
  • the multi-part staining kit additionally contains an agent (A1) containing at least one dye precursor and an agent (A2) containing at least one oxidizing agent.
  • Lorol ®, Eumulgin ® B1 and B2 Eumulgin ® and / or Hydrenol D ® were melted together at 80 0 C. Into this melt, the necessary for the individual formulations amounts of the components Texapon ® NSO, Plantacare ® 2000, Dehyton ® K and / or Crodafos ® CES were incorporated.
  • the following coloring cream (A1) was prepared: 1.6 List of used commercial products
  • Abil ® EM 90 modified polyether-polysiloxane (INCI name: Cetyl PEG / PPG-10/1 dimethicone) (Evonik Deguss)
  • Adinol CT 30 ® INCI name: Aqua (and) Sodium Methyl Cocoyl Taurate) (Croda) Akypo Soft 45 NV ® lauryl alcohol 4.5 EO acid sodium salt (at least 21%.
  • AquaCat CG518 ® guar (about 9.5 to 10.5% solids; INCI name: Guar Hydroxypropyltrimonium Chloride) (Hercules)
  • Carbomer '134 INCI name Carbomer (Evonik Goldschmidt)
  • Carbopol ® 675 polyacrylic acid powder (INCI name: Carbomer) (Lubrizol)
  • Carbopol ® Ultrez 10 polyacrylate (INCI name: Carbomer) (Lubrizol)
  • Cremopho r ® RH40 hydrogenated castor oil with 40-45 EO units (INCI name: PEG-40 Hydrogenated Castor Oil) (BASF)
  • Crodafos ® G26A ethoxylated glyceryl phosphate (INCI name: Glycereth-26 Phosphate) (Croda)
  • Crotein ® MCAA about 15% active substance content; (INCI name: Aqua (and) Collagen Amino Acids) (Croda)
  • Dehyton ® CN N-dimethyl-N- (C8-18-cocamidopropyl) ammoniumaceto betaine (30% active substance; INCI name: Aqua (Water), Cocamidopropyl Betaine) (Cognis)
  • Eumulgin ® B 1 cetylstearyl alcohol with about 12 EO units (INCI name: Ceteareth- 12) (Cognis)
  • Eumulgin B2 ® cetylstearyl alcohol with about 20 EO units (INCI name: Ceteareth- 20) (Cognis)
  • Finsolv ® TN C 12 -i 5 -alkyl esters of benzoic acid (INCI name: C12-15 alkyl benzoates) (Innospec)
  • Hydrenol D ® C 6-18 fatty alcohol (INCI name: Cetearyl Alcohol) (Cognis) Hydrolactin ® 2500 hydrolysed milk protein (approximately 77-90% protein; INCI name: Hydrolyzed Milk Protein) (Croda) lncroquat ® 26 Minkamidopropyldimethylhydroxyethylammoniumchlorid ( INCI name: (quaternium-26) Croda) lncroquat ® SDQ 25 about 25% active substance content; (INCI name: Stearalkonium Chloride) (Croda) Lameform ® TGI approx.
  • Plantacare ® 2000 C ⁇ - 16 alkyl glucoside (approximately 51-55% active substance content in water; INCI name: Decyl Glucoside, Aqua (Water)) (Cognis) Polymer JR ® 400 quaternized hydroxyethyl cellulose (INCI name: Polyquaternium-10) (Amerchol ) Polymer ® W 37194 about 20% by weight of active substance content in water; INCI name: Acrylamidopropyltrimonium Chloride / Acrylates Copolymer (Stockhausen)
  • Prisorine 3505 isostearic acid ISAC ® (INCI name: Isostearic Acid)
  • Croda Prodew ® 500 raw material mixture;
  • ProtelarT MST 35 mixture of sodium N-Myristoylsarcosinate and sodium N-methyl-N- cocoyltaurate (40 wt .-% of active substance, Zschimmer & Schwartz) Rewoderm LI ® 63 ethoxylated coconut mono / diglycerides (about 100% active substance; INCI name: PEG -30 Glyceryl Cociate) (Evonik Degussa) Softcat ® SX quaternized hydroxyethyl cellulose (about 91% purity; INCI name: Polyquaternium-67) (Dow) ® Solubilisant LRI about 9.5 to 10,5Gew .-% water content; INCI name: PPG-26-Buteth- 26, PEG-40 Hydrogenated Castor OiI (Sensient Cosmetic Technologies) Synthalen ® K polyacrylic acid (ca.
  • the colorant (A1) were mixed with 60 ml of the oxidizing agent preparation (B1) and applied to the hair to be dyed. After a contact time of 30 minutes at 32 ° C, the mixture with water was thoroughly removed from the hair, this cleaned with a commercial shampoo and then dried with a hair dryer.
  • the agents (B1) and (B2) were mixed in a weight ratio of 1: 1. Immediately afterwards, so much of the preparation (B3) was added until the pH of the mixture indicated in the following table was reached.
  • the ready-to-use colorant obtained was applied in a ratio of 2 g of color mixture to 1 g of hair (Kerling natural white and / or grayish Asian hair). After a contact time of 30 minutes at 32 ° C, the strands were rinsed with lukewarm water and then dried in a stream of warm air (30 to 40 0 C). The stains were visually assessed under a daylight lamp.

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Abstract

La présente demande porte sur un procédé de coloration permanente de cheveux gris, dans lequel – dans une première étape, on traite la totalité des cheveux avec un colorant oxydant (A) et – on traite les racines des cheveux gris qui poussent ensuite, en une ou plusieurs étapes, avec un produit (B), que l'on obtient par mélange, immédiatement avant utilisation, à partir de • au moins un produit (B1), qui dans un support cosmétique contient au moins un composé carbonyle réactif, et • au moins un produit (B2), qui dans un support cosmétique contient au moins un composé C,H-acide choisi parmi les composés de formule (CH-1) et/ou les composés de formule (CH-2), où – R6 représente un groupe alkyle en C1 à C6 linéaire ou cyclique, un groupe alcényle en C2 à C6, un groupe aryle éventuellement substitué, un groupe hétéroaryle éventuellement substitué, un groupe aryl-(alkyle en C1 à C6), un groupe hydroxyalkyle en C1 à C6, un groupe polyhydroxyalkyle en C2 à C6, un groupe (alcoxy en C1 à C6)-(alkyle en C1 à C6), un groupe RIRIIN-(CH2)m-, où RI et RII représentent chacun indépendamment de l'autre un atome d'hydrogène, un groupe alkyle en C1 à C4, un groupe hydroxyalkyle en C1 à C4 ou un groupe aryl-(alkyle en C1 à C6), RI et RII pouvant, avec l'atome d'azote, former un noyau à 5, 6 ou 7 chaînons, et m représente un nombre valant 2, 3, 4, 5 ou 6, - R7 représente un groupe alkyle en C1 à C6, en particulier un groupe méthyle, - X- représente un anion compatible d'un point de vue physiologique, - le cycle de formule (CH-1) représente toutes les structures cycliques, qui peuvent en outre contenir d'autres hétéroatomes tels que l'azote, l'oxygène et le soufre, et en outre peuvent porter des structures cycliques condensées, toutes ces structures cycliques pouvant porter des substituants supplémentaires, Het représente un radical hétéroaromatique éventuellement substitué, et – X1 représente une simple liaison ou un groupe carbonyle.
EP09783928A 2008-10-22 2009-10-12 Procédé pour masquer les cheveux gris Withdrawn EP2337550A2 (fr)

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DE102008061863A DE102008061863A1 (de) 2008-10-22 2008-12-15 Verfahren zur Kaschierung grauer Haare
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DE3723354A1 (de) 1987-07-15 1989-01-26 Henkel Kgaa Sulfatierte hydroxy-mischether, verfahren zu ihrer herstellung und ihre verwendung
DE3725030A1 (de) 1987-07-29 1989-02-09 Henkel Kgaa Oberflaechenaktive hydroxysulfonate
DE3926344A1 (de) 1989-08-09 1991-02-28 Henkel Kgaa Verfahren zur herstellung von hellfarbigen oelsaeuresulfonaten
FR2785183B1 (fr) 1998-11-04 2002-04-05 Oreal COMPOSITION TINCTORIALE CONTENANT UN COLORANT DIRECT CATIONIQUE ET UNE PYRAZOLO-[1,5-a]- PYRIMIDINE A TITRE DE BASE D'OXYDATION, ET PROCEDES DE TEINTURE
DE19936911A1 (de) * 1999-08-05 2001-02-08 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE19951134A1 (de) * 1999-10-23 2001-04-26 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE10241076A1 (de) * 2002-09-05 2004-03-11 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE10359831A1 (de) * 2003-12-19 2005-07-14 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE102004028598A1 (de) * 2004-06-12 2005-12-29 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE102004044231A1 (de) * 2004-09-14 2006-03-16 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE102005022790A1 (de) * 2005-05-12 2006-11-16 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE102005062357A1 (de) * 2005-12-23 2007-06-28 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE102006060150A1 (de) * 2006-12-18 2008-06-19 Henkel Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE102007033362A1 (de) * 2007-07-16 2009-01-22 Henkel Ag & Co. Kgaa Mittel zum Färben von keratinhaltigen Fasern
DE102008061862A1 (de) * 2008-12-15 2010-06-17 Henkel Ag & Co. Kgaa Färbemittel, enthaltend spezielle halogensubstituierte Brenzcatechinaldehyde und spezielle CH-acide Verbindungen

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