EP3993763A1

EP3993763A1 - Fatty acid polyglyceryl ester-containing cleansing preparation

Info

Publication number: EP3993763A1
Application number: EP20731842.9A
Authority: EP
Inventors: Kay Sven DEMITZ; Thomas Raschke; Katrin VETTER
Original assignee: Beiersdorf AG
Current assignee: Beiersdorf AG
Priority date: 2019-07-05
Filing date: 2020-06-08
Publication date: 2022-05-11
Also published as: DE102019209908A1; WO2021004711A1

Abstract

The invention relates to a cleaning preparation that contains fatty acid polyglyceryl esters, in particular polyglyceryl-10 caprylates/caprates, for cleansing human skin, in particular for removing make-up.

Description

Cleaning preparation containing fatty acid polyglyceryl ester

The present invention relates to a cleaning preparation which contains at least one fatty acid polyglyceryl ester.

This preparation is preferably suitable for removing make-up from human skin, in particular from facial skin.

The use of makeup to beautify one's external appearance, especially the face, is a phenomenon that has long been observed. Already in ancient Egypt, kohl, eye shadow, blush and lipstick were used by men and women. In addition to a protective function, make-up also had cosmetic effects. Make up was worn simply for the sake of beauty. This is still true today.

The make-up used must also be removed again. There is a special group of skin cleansing products for removing make-up from the facial area, namely facial cleansing products. Since the facial skin is particularly sensitive, particularly mild and non-irritating products are used for facial cleansing.

A large number of different substances are used today in the field of decorative cosmetics. In addition to inorganic pigments such as silicates [magnesium silicate (talc), aluminum silicate (kaolin)] and metal oxides (chromium, iron, manganese, titanium and zinc oxides), organic color pigments are used as dyes. Stearic acid esters, lanolin alcohol and acetate are used as binders. Waxes such as beeswax or carnauba wax and oils such as paraffin oils, silicone oils or castor oil are used in many formulations. Decorative cosmetics can also contain preservatives, antioxidants, thickeners and other additives.

In order to remove this large number of completely different substances from the skin, appropriate cosmetic cleaning agents are required. You have to dissolve non-polar compounds such as waxes, oils and silicone compounds and at the same time absorb the poorly soluble pigments such as talc or titanium dioxide. This is especially true for mascara,

Mascara, eyeshadow and kohl pencils. On the other hand, they must be as kind to the skin as possible, please include in order not to cause any reddening of the skin or irritation of the mucous membranes in the users. In the prior art, preparations have already been disclosed which are suitable for make-up removal or which have been specially developed for this purpose. Various forms of preparation have been described and corresponding products are already available for purchase. These preparations can be in the form of emulsions, which in turn are predominantly creamy, milky or liquid, gels or oily compositions. Furthermore, multiphase compositions are known, in particular two-phase compositions which have two visually separate phases which are mixed by shaking the who. The resulting largely homogeneous phase is then applied to the skin.

WO 2016/146360 A1 discloses a facial cleansing preparation which is suitable for removing make-up and at the same time for refreshing the skin. This preparation has an aqueous and an oily phase and is free of silicone compounds.

WO 2017/005485 A1 describes an impregnating agent for wipes. The corresponding cleaning cloth is intended for facial cleaning. The impregnation agent is based on Mi cell technology and contains a combination of surfactants, namely anionic surfactants in the form of acyl glutamates and nonionic surfactants in the form of alkyl glycosides and poloxamers.

However, there is still a need to improve the preparations that are provided for facial cleansing and, in particular, are intended to remove make-up. Improvements can and should be achieved in two ways. On the one hand, the cleaning performance should be improved, i.e. in particular the make-up removal should take place quickly and safely. On the other hand, the mildness of the preparations should also be further improved. As can be seen from the prior art, cleansing preparations for facial cleansing and in particular make-up removal contain surfactants, mostly combinations of surfactants.

There are several ways to clean your face. So-called washing gels, which contain tenside in concentrations of around 3 to 10%, must be rinsed off. Furthermore, preparations can be made available that contain significantly fewer surfactants and therefore do not have to be rinsed off the skin.

So-called micellar water also belong to the last-mentioned type of preparation. They are distinguished by the fact that the surfactant (s) is / are present in such a concentration that surfactant micelles can form. The micelles are usually arranged in such a way that the lipophilic parts of the surfactants are directed inside the micelle and the hydrophilic parts of the surfactants point outwards into the aqueous environment. The micelles can interact with the molecules on the surface of the skin. These molecules can be from makeup or Make-up residues, sebum or dead skin cells and other things come from it. In this way, the micelles help solubilize these molecules. With the help of a cotton wool pad or the like or with the help of water, these molecules, ie also the dirt, can now be removed from the skin.

Cleansing preparations that are designed so that they do not necessarily have to be rinsed off the skin with water can be removed from the surface of the skin, for example with a cotton ball, a cloth or the like, together with dissolved / undissolved dirt particles or molecules. In the case of such preparations, however, it must be ensured that they are sufficiently mild so that skin irritations are (largely) avoided.

It was therefore the object of the present invention to provide cleaning preparations which are so mild that incompatibility reactions are minimized or, ideally, prevented and which at the same time provide good to very good cleaning performance.

Surprisingly, it has been found that containing a cleaning preparation

<0.9 wt .-%, preferably <0.5 wt .-%, particularly preferably <0.3 wt .-% of at least one fatty acid polyglyceryl ester, based on the total weight of the preparation and based on the active content,

able to solve the problem of the present invention.

The preparation according to the invention is an aqueous preparation.

The preparation according to the invention is a cosmetic preparation. The preparation according to the invention is advantageously used for cleaning human skin, in particular the facial skin, and in particular for removing make-up.

The preparation according to the invention contains at least one fatty acid polyglyceryl ester. These esters have at least two glycerol molecules that are linked to one another. The free OH groups are esterified with fatty acids; partial esterification is present if not all OH groups are esterified with fatty acids.

Partial fatty acid polyglyceryl esters can be described, for example, by the following formula: where Ri is a linear or branched, saturated or unsaturated alkyl or alkenyl radical, the alkyl or alkenyl radical only or predominantly having alkyl or alkenyl radicals with 6 to 12 carbon atoms, preferably with 6 to 10 carbon atoms and n is an integer from 1 to 11. In the context of the present invention, the term predominantly means that more than 55%, in particular more than 65%, further in particular more than 80% of the radicals mentioned have 6 to 12 carbon atoms, preferably 6 to 10 carbon atoms.

The fatty acid polyglyceryl esters are uncharged, but the glycerine molecules contain oxygen atoms and ester bonds that contribute to the hydrophilicity, while the alkyl / alkylene radicals of the fatty acids contribute to the lipophilicity. The fatty acid polyglyceryl esters are amphiphilic molecules. The fatty acid polyglyceryl esters can therefore also act and be referred to as nonionic surfactants.

Surfactants are amphiphilic substances that, among other things, are able to dissolve organic, non-polar substances in water. They are characterized by an ambivalent behavior towards water and lipids. The surfactant molecule contains at least one hydrophilic and one lipophilic group each, which enable attachment to the interface between an aqueous phase and a lipid phase. In this way, surfactants reduce the surface tension of the water, wetting the skin, making it easier to loosen and remove dirt, easy rinsing and, optionally, foam regulation. This provides the basis for removing dirt containing lipids.

The use of fatty acid polyglyceryl esters has already been described in the StdT.

EP 2455062 A2 discloses a heavy hand cleaner which contains various components, including an emollient in an amount of at least 0.1% by weight, this emollient can be a polyglyceryl partial ester and 2 to 40% by weight of a surfactant selected from fatty alcohol lethoxylates, fatty alcohol ether sulfates and salts of sulfated and / or sulfonated fatty acids. There is no disclosure of a facial cleanser or make-up remover. US 2012/0157366 A1 describes skin and hair cleansing preparations that have a low irritant potential. In addition to a hydrophobically modified acrylate copolymer, the preparations contain a fatty acid polyglyceryl ester and anionic and amphoteric surfactants in an amount of 2 to 7% by weight. There is no disclosure that these preparations are suitable as facial cleansers or make-up removers.

US 2012/0157365 A1 discloses clear and mild cleaning preparations which are essentially free of ethoxylated compounds and have a pH of 5.4 or less. These preparations contain a nonionic surfactant, which can be a fatty acid polyglyceryl ester, a zwitterionic surfactant and a selected anionic surfactant. There is no disclosure that the preparations mentioned are intended to be used as make-up removers.

No. 10,117,818 B2 describes a concentrate for wet wipes. This concentrate contains an emulsifier, which can be a fatty acid polyglyceryl ester, a humectant and an emollient. The emulsifier is used in amounts of 15 to 60% by weight.

US 9,544,007 B2 discloses a tear-free cleaner for babies. This cleaner contains, among others. 5 to 30 wt% polyglyceryl partial ester.

A description of the properties of a selected fatty acid polyglyceryl ester, namely Polyglyceryl-10-Caprylate / Caprate, can be found in the publication "A Naturally Derived Polyglyceryl Ester: The Best of Both Worlds" (SOFW Journal, 10 2017, pages 32 to 38) to find. There use concentrations of 1 and 5 wt .-% are given for the fatty acid polyglyceryl ester mentioned.

In a preferred embodiment, the cleaning preparation according to the invention contains only at least one fatty acid polyglyceryl ester in a total amount as surfactant (s)

<0.9% by weight, preferably <0.5% by weight, particularly preferably <0.3% by weight, based on the total weight of the preparation and based on the active content.

In a further, equally preferred embodiment, the cleaning preparation according to the invention contains at least one fatty acid polyglyceryl ester in a total amount

<0.9% by weight, preferably <0.5% by weight, particularly preferably <0.3% by weight, based on the total weight of the preparation and based on the active content and further surfactants selected from at least one anionic surfactant or at least one amphoteric surfactant and / or another nonionic surfactant. The group of amphoteric surfactants also includes zwitterionic surfactants. The other nonionic surfactants do not include any fatty acid polyglyceryl esters.

Examples of fatty acid polyglyceryl esters are compounds such as polyglyceryl-4

caprylate / caprate, Polyglyceryl-5 caprylate / caprate, Polyglyceryl-6 caprylate / caprate, Polyglyceryl-7 caprylate / caprate, Polyglyceryl-8 caprylate / caprate, Polyglyceryl-9

caprylate / caprate, Polyglyceryl-10 caprylate / caprate, Polyglyceryl-4 caprate, Polyglyceryl-5 caprate, Polyglyceryl-6 caprate, Polyglyceryl-7 caprate, Polyglyceryl-8 caprate, Polyglyceryl-9 caprate, Polyglyceryl-10 caprate, Polyglycerate-4 , Polyglyceryl-5 laurate, polyglyceryl-6 laurate, polyglyceryl-7 laurate, polyglyceryl-8 laurate, polyglyceryl-9 laurate, polyglyceryl-10 laurate. The compound polyglyceryl-10 caprylate / caprate is preferred. This connection can be purchased from Lonza, for example, under the trade name Polyaldo® 10-1-CC.

The preparation according to the invention contains the at least one fatty acid polyglyceryl ester with a content of 0.007 to 0.8% by weight, preferably from 0.01 to 0.5% by weight, particularly preferably 0.05 to 0.3% by weight. % before, based on the total amount of the preparation and based on the active content.

If the preparation according to the invention contains further surfactants, these surfactants can be selected from various surfactant classes.

From the group of anionic surfactants, surfactants can be selected that are based on amino acids, that is, amino acid-based surfactants.

Suitable amino acid-based surfactants (and / or their salts) can be selected, for example, from:

1. Acyl glutamates, for example sodium acyl glutamate such as sodium

Cocoyl glutamate and

2. Glycinates, such as acyl glycinates.

It is preferred if one or more acyl glutamate (s) and / or acyl glycinate (s) are contained. A particularly advantageous acyl glutamate is Disodium Cocoyl Glutamate, which is available, for example, with the trade name Hostapon - CCG from Clariant. Likewise particularly advantageous is acyl glycinate with the name sodium cocoyl glycinate, which is available, for example, under the trade name Hostapon SG from Clariant.

If the preparation according to the invention contains one or more surfactants based on amino acids, the total content of the one or more surfactants mentioned is in the range from 0.001 to 0.5% by weight, preferably 0.05 to 0, 3% by weight, based on the total weight of the preparation and the respective active content.

It is preferred according to the invention if the preparations according to the invention do not contain any surfactants which have sulfate groups. It is further preferred if the entire preparation according to the invention does not contain any compounds which have sulfate groups. It is further particularly preferred if the preparation according to the invention is entirely sulfate-free.

The term sulfates is understood to mean salts and esters of sulfuric acid. The salts can be represented by the formulas SO4 ² (anion) and HSO4 ² (hydrogen sulfate anion), while the esters have the general formula R-0-S0 ₂ -0-R ', where R and / or R' are organic radicals are and R 'also be hydrogen. At a corresponding pH value, the acid dissociates and is present as a salt.

In the context of the present invention, sulfate-free means that the respective raw material or the respective composition is less than 0.1% by weight, preferably less than

0.01% by weight, particularly preferably 0% by weight, based on the total weight of the preparation, of sulfate ions and / or esters of sulfuric acid.

Advantageous representatives can also be selected from the group of amphoteric surfactants. Amphoteric surfactants have both anionic and cationic groups and accordingly behave like anionic or cationic surfactants in aqueous solution, depending on the pH. They have a positive charge in a strongly acidic environment and a negative charge in an alkaline environment. In the neutral pH range, however, they are zwitterionic, as the following example should clarify:

RNH ₂ ⁺ -CH ₂ -CH ₂ -COOH X- (at pH = 2) X = any anion, eg CF

RNH ₂ ⁺ -CH ₂ -CH ₂ -COO- (at pH = 7)

RNH-CH ₂ -CH ₂ -COO- B ⁺ (at pH = 12) B ⁺ = any cation, e.g. Na ⁺ . Suitable amphoteric surfactants can be selected, for example, from:

1. Acyl / dialkyl ethylenediamine, for example sodium acylamphoacetate, disodium macylamphodipropionate, disodium alkylamphodiacetate, disodium cocoamphodiacetate, disodium cocoamphomonoacetate, sodium acylamphohydroxypropylsulfonate, disodium macylamphodiacetate and sodium

2. Betaines, for example Coco Betaine, Cocoamidopropyl Betaine,

3. Sultaines, for example lauryl hydroxy sultaine.

It is preferred if the amphoteric surfactant (s) are selected from the group of betaines, more preferably from the group of alkylamidopropyl betaines and alkyl betaines. It is particularly preferred if the amphoteric surfactant is cocamidopropyl betaine.

It is also preferred if the amphoteric surfactant (s) are selected from the group of the sultaines, more preferably from the group of hydroxysultaines and / or amidopropylhydroxysultaines.

It is also preferred if the amphoteric surfactant or surfactants are selected from acyl / dialkylethylenediamine, in particular from acylamphoacetates, which can be described by the following formula:

O Formula II

where R is an alkyl radical having 8 to 30 carbon atoms.

In general, acylamphoacetates are synthesized in two steps. First, a fatty acid or a mixture of fatty acids that come from a natural oil is added to a vegetable oil, such as coconut oil, soybean oil or palm oil, with N- (2-hydroxyethyl) ethylenediamine. The resulting 2-alkyl-1-hydroxyethylimidazolines who hydrolyzed to linear amidoamines with NaOH. These in turn are mixed with monochloroacetic acid. Acyl monoamphoacetates are formed. If larger molar amounts of monochloroacetic acid are used, acylamphodiacetates are formed. Acylamphacetates are amphoteric surfactants which, depending on the pH value, are available as anionic, zwitterioni cal or cationic surfactants. The sodium salts of acylamphoacetates are known to have little imitative effect.

According to the invention, it is preferred if the acyl radical is derived from fatty acids of vegetable origin, preferably from fatty acids obtained from coconut oil.

It is also preferred if the sodium salts of the acylamphoacetates are selected.

It is particularly preferred if sodium cocoamphacetate is included in the preparation according to the invention

If the preparation according to the invention contains one or more amphoteric surfactants, the total content of the at least one amphoteric surfactant is in the range from 0.001 to 0.5% by weight, preferably 0.05 to 0.3% by weight, based on the total weight the preparation and the respective active content.

Other representatives can also advantageously be selected from the group of nonionic surfactants. Nonionic surfactants are characterized by the fact that they do not form any ions in the aqueous medium.

Suitable nonionic surfactants can be selected, for example, from the group of the alkyl polyglycosides, such as lauryl glucoside, decyl glucoside and cocoglucoside.

Alkyl polyglycosides can be represented by the general structural formula RO- (Z) _x , where R is an alkyl radical with 6 to 30 carbon atoms, Z is a sugar radical and x is the number of sugar radicals. The alkyl radical can be a radical with a specific number of carbon atoms or can be a mixture of alkyl radicals. Such mixtures are obtained when natural oils such as palm oil, soybean oil or coconut oil are used as the starting material for the production of the alkyl polyglucosides. It is preferred if the alkyl groups have essentially 12 to 18 carbon atoms

The sugar residues can be monosaccharides or oligosaccharides, which preferably have sugar residues with 5 or 6 carbon atoms. Suitable sugar residues are, for example, glucose, fructose, galactose, arabinose, ribose, xylose, allose, mannose, gulose, idose, talose and sucrose. Glucose and sucrose are particularly preferred, glucose being particularly preferred. Alkyl polyglycosides contain on average 1.1 to 5, preferably 1.1 to 2.0, sugar residues per molecule.

Alkyl polyglycosides with alkyl radicals derived from longer-chain carboxylic acids or mixtures of longer-chain carboxylic acids, for example coco-glucosides, e.g. available with the trade name Plantacare 818 UP from BASF Personal Care & Nutrition, are very particularly preferred.

If the preparation according to the invention contains further nonionic surfactants, the total content of the at least one nonionic surfactant is in the range from 0.001 to 0.5% by weight, preferably 0.05 to 0.3% by weight, based on the total weight of the preparation and the respective active content.

If the preparation according to the invention furthermore contains surfactants, the total amount of surfactant is 0.05 to 0.9% by weight, preferably 0.1 to 0.5% by weight, based on the total weight of the preparation and the respective active content. For the purposes of the present invention, the total amount of surfactant comprises the content of the at least one fatty acid polyglyceryl ester and the content of at least one further surfactant.

Micelles can form in the preparations according to the invention if the contents of the surfactants contained in each case assume suitable values.

The preparation according to the invention can advantageously contain preservatives. Preservatives are those preserving substances that are approved for use in cosmetic products for Europe in accordance with the Cosmetics Regulation for Germany and Regulation (EC) No. 1223/2009 on cosmetic agents.

The at least one preservative can advantageously be selected from the group consisting of phenoxyethanol, methyl paraben, polyaminopropyl biguanide, benzoic acid and / or a physiologically acceptable salt thereof, benzethonium chloride and / or benzyl alcohol.

For the purposes of the present invention, stabilizers are those substances that are not included in the list of permitted preservatives (Cosmetics Ordinance Annex 6; Regulation (EC) No. 1223/2009, Annex V), but nevertheless one have a stabilizing effect and / or, when used together with preservatives, promote the stability of the preparation for 36 months.

The following compounds, which can be used individually or in combination, are advantageous as stabilizers: ethylhexylglycerol, 1,2-hexanediol, trisodium EDTA, methylpropanediol, caprylyl glycol, glyceryl caprylate and / or pentylene glycol.

It is also advantageous if at least one preservative and at least one stabilizer are contained in the preparation according to the invention.

The preparation according to the invention contains the at least one preservative and / or the at least one stabilizer with a content of 0.0001 to 6% by weight, preferably from 0.0005 to 5% by weight, particularly preferably from 0.001 to 4% by weight before, based on the total weight of the preparation.

It is also advantageous according to the invention if one or more humectants are additionally incorporated into the preparation according to the invention. Humectants can, for example, give the skin moisture and / or help prevent moisture loss in the skin. The humectants are hygroscopic substances that can bind water. This water-binding capacity is based on hydrophilic groups such as hydroxyl groups, but also amine groups and carboxyl groups. Humectants are, for example, propylene glycol, butylene glycol, glycerine, sorbitol, xylitol, aloe vera gel. The use of propylene glycol and / or glycerine is preferred according to the invention.

The humectant or humectants is / are present with a total content of 0.01 to 10% by weight, preferably 0.1 to 5.0% by weight, based on the total weight of the preparation.

It is also advantageous according to the invention if one or more oils are additionally incorporated into the preparation according to the invention. The oils can be selected from the group of polar oils, for example from the group of fatty acid triglycerides, namely the triglycerol esters of saturated and / or unsaturated, branched and / or unbranched alkanecarboxylic acids with a chain length of 8 to 24, especially 12 to 18 carbon atoms - men. The fatty acid triglycerides can, for example, advantageously be selected from the group of synthetic, semi-synthetic and natural oils, such as. B. cocoglyceride, Olive oil, sunflower oil, soybean oil, peanut oil, rapeseed oil, almond oil, palm oil, coconut oil, wheat germ oil, grapeseed oil, safflower oil, evening primrose oil, macadamia oil and the like.

Further advantageous polar oil components can be selected for the purposes of the present invention further from the group of monoesters of saturated and / or unsaturated, branched and / or unbranched alkanecarboxylic acids with a chain length of 3 to 30 carbon atoms and saturated and / or unsaturated, branched and / or unbranched alcohols get a chain length of 3 to 30 carbon atoms and from the group of esters of aromatic carboxylic acids and saturated and / or unsaturated, branched and / or unbranched alcohols with a chain length of 3 to 30 carbon atoms. Such ester oils can then advantageously be chosen from the group of octyl palmitate, octyl cocoate, octyl isostearate, octyl dodeceyl myristate, cetearyl isononanoate, isopropyl myristate, isopropyl palmitate, isopropyl stearate, isopropyl oleate, n-butyl stearate, n-butyl stearate, n-butyl stearate, isonate iso-isonolate, n-butyl isonolate, n-hexyl isonolate, n-butyl isonate, n-butyl stearate, n-hexyl isonate, n-butyl isonate, n-butyl-isonate Ethylhexyl palmitate, 2-ethylhexyl laurate, 2-ethylhexyl stearate, 2-hexyl decyl stearate, 2-octyl dodecyl palmitate, stearyl heptanoate, oleyl oleate, oleyl eucate, erucyl oleate, erucyl synthetic, tridecyl stearate, such as esters, such as synthetic, synthetic, tridecyl trim and natural esters. B. jojoba oil.

Furthermore, the oil component can advantageously be selected from the group of dialkyl ethers and dialkyl carbonates; B. dicaprylyl ether (for example available under the trade name Cetiol OE) and / or dicaprylyl carbonate (for example available under the trade name Cetiol CC).

Any mixtures of the oil components mentioned can also be used advantageously for the purposes of the present invention.

Oils such as sunflower oil, soybean oil, jojoba oil, grape seed oil, almond oil and / or macadamia oil, which can be referred to as nourishing oils, are particularly preferred.

The oil or oils is / are advantageously present with a total content of 0.01 to 3.0% by weight, preferably 0.05 to 2.0% by weight, based on the total weight of the preparation.

The incorporation of at least one oil, in particular a natural, vegetable oil, into the preparation according to the invention helps to achieve or improve care performance. At the same time, the cleaning performance of the preparation according to the invention is increased. The preparation according to the invention can advantageously contain perfume. As a rule, the perfume used is a mixture of perfume raw materials. The perfume is mainly contained in order to give the preparation according to the invention a pleasant odor.

In the preparation according to the invention, the perfume is present with a content of 0.05 to 0.5% by weight, in particular 0.1 to 0.4% by weight, based on the total weight of the preparation.

The preparation according to the invention can contain cosmetic auxiliaries such as are customarily used in such preparations, e.g. complexing agents or other customary components of a cosmetic formulation.

Sodium hydroxide or citric acid, for example, are used to adjust the pH. The pH of the preparations according to the invention is in the range 5.0 to 8.0, before given in the range 6.5 to 7.5.

In order to show that the above object was achieved, a sedimentation study was carried out. By way of example, the color pigment Sicovit Brown 70 E172 (Venator Pigments), a mixture of the iron oxides CI 77492, CI77491 and CI 77499, was introduced into various surfactant solutions that did not contain any thickening additives. The pigment mentioned can usually be incorporated into make-up preparations, such as foundations and mascaras, for example.

In each case 4 mg of color pigment were weighed into a sealable test tube, an equal amount of the corresponding surfactant solution (see tables below) was added and shaken 10 times. Afterwards, after different times, it was checked how well the pigment particles are kept in suspension. For this purpose, a sentence was printed on paper and the printed paper was held behind the respective test tubes in order to assess how easily the writing was recognizable. The following classification was chosen:

++ no writing recognizable, this means that the pigment is held in suspension;

- - Font recognizable without restriction, this means that the pigment is completely sedimented.

^* CI 77492 + CI 77491 + CI 77499.

It becomes clear that the surfactant solution containing polyglyceryl-10 caprate / caprylate is best suited to keep the pigment used in suspension. From this result it can be seen that the pigment mentioned is very well solubilized. In this way it was shown that an exemplary surfactant solution according to the invention is able to dissolve make-up in an excellent manner, which can then be easily removed from the skin with a cotton pad or similar.

Examples:

The following examples are intended to illustrate the present invention without restricting it. Unless otherwise stated, all quantities, proportions and percentages are based on the weight and the total amount or the total weight of the preparation.

Aqueous facial cleansing products (the quantities given are active contents):

Claims

1) Cleansing preparation, in particular facial cleansing preparation, further in particular facial cleansing preparation for make-up removal, containing

<0.9 wt .-%, preferably <0.5 wt .-%, particularly preferably <0.3 wt .-% of at least one fatty acid polyglyceryl ester, based on the total weight of the preparation and based on the active content.

2) cleaning preparation according to claim 1, characterized in that as surfactant (s) only at least one fatty acid polyglyceryl ester in a total amount <0.9 wt .-%, preferably <0.5 wt .-%, particularly preferably <0.3 % By weight is included, based on the total weight of the preparation and based on the active content.

3) cleaning preparation according to claim 1, characterized in that at least one fatty acid polyglyceryl ester in a total amount <0.9 wt .-%, preferably <

0.5% by weight, particularly preferably <0.3% by weight, based on the total weight of the preparation and based on the active content and further surfactants selected from at least one anionic surfactant or at least one amphoteric surfactant and / or one further nonionic surfactant are included, with the proviso that the at least one further nonionic surfactant does not include any fatty acid polyglyceryl esters.

4) cleaning preparation according to claim 1 and / or 2 or according to claim 1 and / or 3, characterized in that the at least one fatty acid polyglyceryl ester has an alkyl or alkenyl radical or several alkyl or alkenyl radicals, which only or predominantly consist of radicals with 6 to 12 carbon atoms, preferably with 6 to 10 carbon atoms.

5) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one fatty acid polyglyceryl ester is selected from polyglyceryl-4 caprylate / caprate, polyglyceryl-5 caprylate / caprate, polyglyceryl-6 caprylate / caprate, polyglyceryl-7 caprylate / caprate, polyglyceryl-8

caprylate / caprate, Polyglyceryl-9 caprylate / caprate, Polyglyceryl-10 caprylate / caprate, Polyglyceryl-4 caprate, Polyglyceryl-5 caprate, Polyglyceryl-6 caprate, Polyglyceryl-7 caprate, Polyglyceryl-8 caprate, Polyglyceryl-9 caprate, Polyglyceryl-9 caprate, 10 caprate, polyglyceryl-4 laurate, polyglyceryl-5 laurate, polyglyceryl-6 laurate, polyglyceryl-7 laurate, Polyglyceryl-8 laurate, polyglyceryl-9 laurate, polyglyceryl-10 laurate, preferably polyglyceryl-10 caprylate / caprate.

6) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one fatty acid polyglyceryl ester with a Ge content of 0.007 to 0.8 wt .-%, preferably from 0.01 to 0.5 wt.%, Especially before is present in addition to 0.05 to 0.3% by weight, based on the total amount of the preparation and based on the active content.

7) cleaning preparation according to at least one of the preceding claims, characterized in that at least one amino acid-based surfactant and / or its physiologically compatible salt is preferably selected from acyl glutamates and / or acyl glycinates, particularly preferably disodium cocoyl glutamate and / or sodium Cocoyl glycinate.

8) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one amino acid-based surfactant and / or its physiologically acceptable salt sen with a total content in the range of 0.001 to 0.5 wt .-%, preferably 0.05 to 0.3% by weight is present, based on the total weight of the preparation and the respective active content.

9) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one amphoteric surfactant is selected from the group of acyl / dialkylethylenediamines, betaines and / or sultaines.

10) Cleaning preparation according to at least one of the preceding claims, characterized in that the at least one amphoteric surfactant is present with a total content in the range from 0.001 to 0.5% by weight, preferably 0.05 to 0.3% by weight on the total weight of the preparation and the respective active content.

11) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one further nonionic surfactant is selected from the group of alkyl polyglycosides.

12) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one further nonionic surfactant with a total content in the range of 0.001 to 0.5 wt .-%, preferably 0.05 to 0.3 wt .-% is present, based on the total weight of the preparation and the respective active content.

13) cleaning preparation according to at least one of the preceding claims, characterized in that the total amount of surfactant is 0.05 to 0.9 wt .-%, preferably 0.1 to 0.5 wt .-%, based on the total weight of the preparation and the respective active content , the total amount of surfactant comprising the content of the at least one fatty acid polyglyceryl ester and, if included, the content of at least one further surfactant.

14) cleaning preparation according to at least one of the preceding claims, characterized in that it also contains at least one preservative, preferably selected from the group phenoxyethanol, methyl paraben, polyaminopropyl biguanide, benzoic acid and / or a physiologically acceptable salt thereof, benzethonium chloride and / or benzyl alcohol.

15) Cleaning preparation according to at least one of the preceding claims, characterized in that it also contains at least one stabilizer, preferably selected from ethylhexylglycerol, 1,2-hexanediol, trisodium EDTA, methylpropanediol, caprylyl glycol, glyceryl caprylate and / or pentylene glycol .

16) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one preservative and / or the at least one stabilizer with a content of 0.0001 to 6% by weight, preferably from 0.0005 to 5% by weight, particularly preferably from 0.001 to 4% by weight, based on the total weight of the preparation.

17) cleaning preparation according to at least one of the preceding claims, characterized in that it also contains at least one humectant, preferably selected from propylene glycol, butylene glycol, glycerin, sorbitol, xylitol, aloe vera gel, particularly preferably propylene glycol and / or glycerin.

18) cleaning preparation according to at least one of the preceding claims, characterized in that the at least humectant is present with a total content of 0.01 to 10 wt .-%, preferably 0.1 to 5.0 wt .-%, based on the total weight the preparation. 19) cleaning preparation according to at least one of the preceding claims, characterized in that additionally at least one oil, preferably selected from the group of polar oils, particularly preferably selected from the group of synthetic, semi-synthetic and / or natural oils, more particularly preferably selected from from the group of sunflower oil, soybean oil, jojoba oil, grape seed oil, almond oil and / or macadamia oil.

20) cleaning preparation according to at least one of the preceding claims, characterized in that the at least one oil is present with a total content of 0.01 to 3.0 wt .-%, preferably 0.05 to 2.0 wt .-%, based on the total weight of the preparation.

21) cleaning preparation according to at least one of the preceding claims, characterized in that it does not contain any surfactants which have sulfate groups, preferably that it does not contain any compounds which have sulfate groups.

22) cleaning preparation according to at least one of the preceding claims, characterized in that the preparation is sulfate-free overall.