Composition for cleansing and / or removing makeup from keratinous materials

Abstract

Composition for cleansing and / or removing makeup from keratinous materials. The present invention relates to a composition, in particular for cleansing and / or removing makeup from keratinous materials, comprising: a) at least one amphoteric surfactant, b) at least one acrylate copolymer, and c) an amount of 0.3% by weight or more of at least one bleaching agent, relative to the total weight of the composition, wherein the composition has a pH value of 7 or higher. Figure for the abstract: none

Description

Title of the invention: Composition for cleaning and / or removing make-up from keratinous materials Technical field

[0001] The present invention relates to a composition for cleaning and / or removing make-up from keratinous materials, and also relates to a process for cleaning and / or removing make-up from keratinous materials. STATE OF THE ART

[0002] Skin cleansing is very important, especially for skin care. It should be as effective as possible, since greasy residues, such as dirt, excess sebum and remnants of daily used cosmetics and makeup products can lead to an unpleasant greasy appearance. Furthermore, it is now increasingly important that cleansing compositions offer effective cleansing of keratinous materials as well as pleasant performance, for example, good foaming performance.

[0003] For current cosmetic products, including cleansing products, whitening efficacy is becoming increasingly attractive to both male and female customers. Thus, craftsmen intend to add one or more whitening actives, particularly a relatively higher amount of the whitening actives, when formulating the cosmetic products. However, these whitening actives, particularly a relatively higher amount of the whitening actives, may result in instability and / or undesirable rheological performance, and further result in undesirable foaming performance.

[0004] Therefore, there is a need for a composition for cleaning and / or removing make-up from keratinous materials comprising a relatively higher amount of a bleaching active, which can provide improved stability, rheological performance and / or furthermore foaming performance. Summary of the invention

[0005] The inventors have discovered that such a need can be satisfied by the composition according to the present invention.

[0006] According to a first aspect, the present invention relates to a composition, in particular for cleaning and / or removing make-up from keratinous materials, comprising: a. at least one amphoteric surfactant, b. at least one acrylate copolymer, and c. an amount of 0.3% by weight or more of at least one bleaching active agent, relative to the total weight of the composition,

[0007] wherein the composition has a pH value of 7 or greater.

[0008] According to a second aspect, the present invention relates to a combination for improving the foaming performance of a composition comprising at least one bleaching active, comprising, consisting essentially of, or even consisting of at least one amphoteric surfactant and at least one acrylate copolymer. In some cases, the composition comprises an amount of 0.3% by weight or more of at least one bleaching active, relative to the total weight of the composition.

[0009] According to a third aspect, the present invention relates to a process for cleaning and / or removing make-up from keratinous materials, comprising the application of a composition according to the first aspect to the keratinous materials.

[0010] According to a fourth aspect, the present invention relates to the use of a combination of at least one amphoteric surfactant and at least one acrylate copolymer for improving the foaming performance of a composition comprising at least one bleaching active. In some cases, the composition comprises an amount of 0.3% by weight or more of a bleaching active, relative to the total weight of the composition.

[0011] Other subjects and characteristics, aspects and advantages of the present invention will become even more apparent upon reading the detailed description and examples which follow. DETAILED DESCRIPTION OF THE INVENTION

[0012] In the following and unless otherwise indicated, the limits of a range of values ​​are included in this range, in particular in the expressions "between...and..." and "from... to...".

[0013] Throughout this application, the term "comprising" should be interpreted to encompass all of the specifically mentioned features as well as optional, additional, unspecified features. As used herein, the use of the term "comprising" also discloses the embodiment in which no material features or features other than the specifically cited features are present (such as "consisting essentially of" or "consisting of"). In the case of "consisting essentially of", any additional composition, material and / or component that materially affects the fundamental and novel characteristics are excluded from such an embodiment, but any composition, material and / or component that does not materially affect the fundamental and novel characteristics may be included in the embodiment.

[0014] As used herein, the term "keratinous material(s)" refers to skin and lips. "Skin" includes all skin of the body, including leather. hairy. Preferably, the keratinous material(s) designates the skin. Amphoteric surfactant

[0015] The composition according to the present invention comprises at least one amphoteric surfactant.

[0016] Useful amphoteric surfactants include betaines, sultaines, alkyl amphoacetates and alkyl amphodiacetates, alkyl amphoproprionates, and mixtures thereof. Non-limiting examples of useful amphoteric surfactants are provided below. Betaines

[0017] According to the present invention, the betaines include compounds corresponding to the following formulas (Ia-Ic): C I ■....... EYELASH

[0018] (the) CHa—CIb—OH R^ ;-, ****^ C ******* N •******( *Hy*****^^ ****r(?H?(.-OO" OHH

[0019] (Ib) EYELASH R j C “““ N “““ ç ('Hn L,“““ N ““ (RI O( ) He I ■ I ■ OH (.'H

[0020] (the)

[0021] in which R10 is an alkyl group having 7 to 18 carbon atoms; and n is an integer from 1 to 3.

[0022] Useful betaines include, but are not limited to, coco betaine, cocamidopropyl betaine, lauryl betaine, lauryl dimethyl betaine, behenyl betaine, capryl / capramidopropyl betaine, stearyl betaine, and mixtures thereof. According to the present invention, preferred betaines include coco betaine, cocamidopropyl betaine, and a mixture thereof. Sultaines

[0023] According to the present invention, sultaines, also called sulfobetaines, include compounds having the following formulae (IIa-IIb):

[0024] CK. 0¾ (Ha) O 0¾ RC—NHfCHj —N*—CHjCHCjfj 80 CIL QH (Hb)

[0025] in which R is an alkyl group having 7 to 18 carbon atoms; and n is an integer from 1 to 3.

[0026] According to the present invention, preferred sultaines include cocamidopropyl hydroxysultaine, lauryl hydroxysultaine or laurylhydroxy sulfobetaine, and mixtures thereof. Alkyl amphoacetates and alkyl amphodiacetates

[0027] According to the present invention, the alkyl amphoacetates and alkyl amphodiacetates include compounds corresponding to the following formulas (IIIa) and (IIIb):

[0028] (Ilia) o GOLD

[0029] (Illb)

[0030] in which R is an alkyl group having 7 to 18 carbon atoms. Sodium is presented as a cation in the above formulae but the cation can also be an alkali metal ion such as ammonium, sodium or potassium ions, or alkanolammonium ions such as monoethanolammonium or triethanolammonium ions. A more specific, but not limiting, example is sodium lauroamphoacetate. Alkyl amphopropionates

[0031] Non-limiting examples of alkyl amphopropionates include cocoamphopropionate, cornamphopropionate, caproamphopropionate, oleoamphopropionate, isostearoamphopropionate, stearoamphopropionate, lauroamphopropionate, their salts and mixtures thereof.

[0032] Preferably, the amphoteric surfactant is selected from betaines, wherein the betaine is more preferably selected from coco betaine, cocamidopropyl betaine, behenyl betaine, capryl / capramidopropyl betaine, lauryl betaine and mixtures thereof. Even more preferred betaines include coco betaine, cocamidopropyl betaine and a mixture thereof.

[0033] Advantageously, the amphoteric surfactant is present in an amount ranging from 0.01% by weight to 20% by weight, preferably from 0.5% by weight to 10% by weight, and more preferably from 3% by weight to 5% by weight, relative to the total weight of the composition. Acrylate copolymer

[0034] The composition according to the present invention comprises at least one acrylate copolymer.

[0035] In some cases, the acrylate copolymer is a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C 1 -C 4 alkyl ester.

[0036] Mention may be made of the copolymer sold under the trade name ACULYN 33® by the company THE DOW CHEMICAL COMPANY and bearing the INCI name: Acrylates Copolymer.

[0037] In some cases, the acrylate copolymer is a crosslinked copolymer of methacrylic acid and C1-C4 alkyl acrylate.

[0038] The methacrylic acid is preferably present in an amount ranging from 20% by weight to 80% by weight, preferably from 25% by weight to 70% by weight, and more preferably from 35% by weight to 65% by weight, relative to the total weight of the copolymer.

[0039] The alkyl acrylate is preferably present in an amount ranging from 15% by weight to 80% by weight, preferably from 25% by weight to 75% by weight, and more preferably from 35% by weight to 65% by weight, relative to the total weight of the copolymer. It is preferably chosen from methyl acrylate, ethyl acrylate and acrylate butyl and more preferably ethyl acrylate.

[0040] This copolymer is preferably partially or fully crosslinked with at least one standard polyethylenically unsaturated crosslinking agent, for example polyalkenyl ethers of sucrose or polyols, diallyl phthalates, divinylbenzene, allyl (meth)acrylate, ethylene glycol di(meth)acrylate, methylenebisacrylamide, trimethylolpropane tri(meth)acrylate, diallyl itaconate, diallyl fumarate, diallyl maleate, zinc (meth)acrylate, and castor oil or polyol derivatives made from unsaturated carboxylic acids. The content of crosslinking agent generally ranges from 0.01% by weight to 5% by weight, preferably from 0.03% by weight to 3% by weight and more preferably from 0.05% by weight to 1% by weight, relative to the total weight of the copolymer.

[0041] According to a preferred form, the copolymer of the present invention may in particular be in the form of a dispersion in water. The average size of the copolymer particles in the dispersion is generally between 10 and 500 nm, preferably between 20 and 200 nm, and more preferably from 50 to 150 nm.

[0042] Mention may be made of the crosslinked methacrylic acid / ethyl acrylate copolymer sold by the company LUBRIZOL under the trade name Carbopol Aqua SF1 and bearing the INCI name: Acrylates Copolymer.

[0043] Advantageously, the acrylate copolymer is present in an amount ranging from 0.01% by weight to 20% by weight, preferably from 0.1% by weight to 5% by weight, and more preferably from 1% by weight to 3% by weight, relative to the total weight of the composition. Whitening active ingredient

[0044] The composition of the present invention comprises an amount of 0.3% by weight or more of at least one bleaching active, relative to the total weight of the composition.

[0045] Useful whitening actives include vitamin B3 and its derivatives, ascorbic acid and its derivatives, resorcinol derivatives, C-glycoside derivatives, salicylic acid and its derivatives, kojic acid and its derivatives, tranexamic acid and its derivatives, flavonoids (including baicalin), hydroxylated diphenylmethane derivatives, tone-modifying pigments, and mixtures thereof.

[0046] Preferably, the whitening actives include vitamin B3 and its derivatives, tone-modifying pigments and mixtures thereof.

[0047] Mention may be made of vitamin B3 and its derivatives. Vitamin B3, also called vitamin PP, is a compound of the following formula (IV):

[0048] (IV)

[0049] wherein R may be -CONH2 (niacinamide), -COOH (nicotinic acid or niacin), or -CH2OH (nicotinic alcohol), -CO-NH-CH2-COOH (nicotinuric acid) or -CO-NH-OH (nicotinyl hydroxamic acid). Niacinamide is preferred.

[0050] Vitamin B3 derivatives that may be cited include, for example, nicotinic acid esters such as tocopherol nicotinate, amides derived from niacinamide by substitution of the hydrogen groups of -CONH2, reaction products with carboxylic acids and amino acids, esters of nicotinyl alcohol and carboxylic acids such as acetic acid, salicylic acid, glycolic acid or palmitic acid.

[0051] The following derivatives may also be mentioned: 2-chloronicotinamide, 6-methylnicotinamide, 6-aminonicotinamide, α-methylnicotinamide, N,N -dimethylnicotinamide, α-(hydroxymethyl)nicotinamide, quinoline acid imide, nicotinanilide, α-benzylnicotinamide, α-ethylnicotinamide, ni-fenazone, nicotinaldehyde, isonicotinic acid, methylisonicotinic acid, thionicotinamide, nialamide, 2-mercaptonicotinic acid, nicomol and niaprazine, methyl nicotinate and sodium nicotinate.

[0052] Other vitamin B3 derivatives which may also be cited include its inorganic salts, such as chlorides, bromides, iodides or carbonates, and its organic salts, such as salts obtained by reaction with carboxylic acids, such as acetate, salicylate, glycolate, lactate, malate, citrate, mandelate, tartrate, etc.

[0053] The tone modifying pigments include, but are not limited to, talc, mica, silica, titanium dioxide, zinc dioxide and titanium dioxide coated mica, borosilicates, hydrophobically modified zinc dioxides, hydrophobically modified titanium dioxides, and titanium-zinc dioxide composites. Preferably, the tone modifying pigment is titanium dioxide.

[0054] Preferably, the whitening active agent included in the composition of the present invention is chosen from niacinamide, titanium oxide and a mixture thereof. More preferably, said whitening active agent includes both niacinamide and titanium oxide.

[0055] Advantageously, the bleaching active agent is present in an amount ranging from 0.3% by weight to 5% by weight, preferably from 0.3% by weight to 3% by weight, and more preferably from 0.3% by weight to 1% by weight, relative to the total weight of the composition. Aqueous solvent

[0056] The compositions of the present invention may comprise at least one aqueous solvent.

[0057] Preferably, the aqueous solvent of the composition according to the present invention comprises water.

[0058] In some cases, in addition to water, the aqueous solvent further comprises one or more water-miscible or at least partially water-miscible compounds, for example C2-C6 polyols or monoalcohols, such as ethanol and isopropanol.

[0059] The term "polyol" should be understood to mean any organic molecule comprising at least two free hydroxyl groups. Examples of polyols that may be cited include glycols, for example butylene glycol, propylene glycol, dipropylene glycol, isoprene glycol, hexylene glycol, glycerol (i.e. glycerin) and polyethylene glycols.

[0060] Preferably, the composition according to the present invention comprises water.

[0061] Advantageously, the water is present in an amount ranging from 20% to 90% by weight, and preferably from 30% to 80% by weight, relative to the total weight of the composition. Additional ingredients

[0062] The composition according to the present invention may comprise one or more additional ingredients, chosen from those conventionally used in cosmetic products.

[0063] The composition according to the present invention may comprise any of the following additives: pH correcting agents, perfumes and chelating agents.

[0064] A person skilled in the art can adjust the type and amount of additional ingredients present in the compositions according to the present invention by means of routine operations, so that the desired properties of these compositions are not adversely affected by the additional ingredients. Combination

[0065] According to the present invention, the present invention also relates to a combination for improving the foaming performance of a composition comprising at least one bleaching active, comprising, consisting essentially of, or even consisting of at least one amphoteric surfactant and at least one acrylate copolymer, wherein the amphoteric surfactant, the acrylate copolymer and the bleaching active are defined above.

[0066] In some cases, the composition comprises an amount of 0.3 wt% or more, or 0.3 wt% to 5 wt%, or 0.4 wt% to 5 wt%, or 0.5 wt% to 5 wt%, or 0.3 wt% to 4 wt%, or 0.4 wt% to 3 wt%, or 0.5 wt% to 2 wt% or 0.3 wt% to 1 wt% of at least one bleaching active, relative to the total weight of the composition.

[0067] In some cases, the composition has a pH value of 7 or higher. In some embodiments, the composition has a pH value of 7 to 10, preferably 7.5 to 10.

[0068] In some cases, the weight ratio between the amphoteric surfactant and the acrylate copolymer ranges from 0.8 to 5, or from 1 to 3, or from 1.2 to 2.

[0069] In a preferred embodiment, the present invention relates to a combination for improving the foaming performance of a composition comprising at least one bleaching active, consisting essentially of or consisting of at least one amphoteric surfactant and at least one acrylate copolymer with a weight ratio ranging from 0.8 to 5, wherein the composition preferably has a pH value of 7 to 10, preferably 7.5 to 10, and preferably comprises an amount of 0.3% by weight or more of at least one bleaching active, relative to the total weight of the composition.

[0070] In a preferred embodiment, the present invention relates to a combination for improving the foaming performance of a composition comprising at least one bleaching active agent selected from vitamin B3 and its derivatives, tone-modifying pigments, and mixtures thereof, consisting essentially of or consisting of at least one betaine and at least one acrylate copolymer with a weight ratio ranging from 1 to 3,

[0071] wherein the acrylate copolymer is a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C1-C4 alkyl ester, or a crosslinked copolymer of methacrylic acid and C1-C4 alkyl acrylate, and wherein the composition preferably has a pH value of 7 to 10, preferably 7.5 to 10, and preferably comprises an amount of 0.3% by weight to 3% by weight of at least one bleaching active, relative to the total weight of the composition.

[0072] In a preferred embodiment, the present invention relates to a combination for improving the foaming performance of a composition comprising at least one bleaching active selected from niacinamide, titanium oxide and a mixture thereof, consisting essentially of or consisting of coco betaine and an acrylate copolymer with a weight ratio ranging from 1.2 to 2, wherein the composition preferably has a pH value of 7, 7.5, 8, 8.5, 9, 9.5 or 10, and preferably comprises an amount of 0.3% by weight to 1% by weight of at least one bleaching active, relative to the total weight of the composition. Composition

[0073] The composition according to the present invention may be a cosmetic composition, preferably for cleaning and / or removing make-up from keratinous materials, and in particular from the skin.

[0074] According to the present invention, the composition comprising the above components may be in the form of a lotion, a paste, a cream or a gel, and in particular in the form of a gel.

[0075] According to the present invention, the composition has a pH value of 7 or higher. Preferably, the composition according to the present invention has a pH value of 7 to 10, preferably 7.5 to 10, for example, a pH value of 7, 7.5, 8, 8.5, 9, 9.5 or 10.

[0076] By means of a pH value of 7 or higher, the composition according to the present invention can provide improved foaming and / or cleaning performance.

[0077] According to the present invention, the viscosity of the composition is measured at 25°C and atmospheric pressure using a Rheomat RM180® apparatus equipped with an M3 spindle at a rotation speed of 200 rpm after 10 minutes of spindle rotation in the samples. The corresponding value in UD (unit deflection) can be converted to mPa-s, in which 1 UD ~ 42 mPa-s.

[0078] In some cases, the weight ratio between the amphoteric surfactant and the acrylate copolymer ranges from 0.8 to 5, or from 1 to 3, or from 1.2 to 2.

[0079] In one embodiment, the present invention relates to a composition for cleaning and / or removing make-up from keratinous materials, relative to the total weight of the composition, comprising: a. an amount of 0.5% by weight to 10% by weight of at least one amphoteric surfactant, b. an amount of 0.1% by weight to 5% by weight of at least one acrylate copolymer, and c. an amount of 0.3% by weight to 3% by weight of at least one bleaching active,

[0080] wherein the composition has a pH value of 7 to 10, preferably 7.5 to 10.

[0081] According to a preferred embodiment, the present invention relates to a composition for cleaning and / or removing make-up from keratinous materials, relative to the total weight of the composition, comprising: a. an amount of 0.5% by weight to 10% by weight of at least one betaine, b. an amount of 0.1% by weight to 5% by weight of at least one copolymer of acrylates selected from a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C1-C4 alkyl ester, or a crosslinked copolymer of methacrylic acid and a C1-C4 alkyl acrylate, c. an amount of 0.3% by weight to 3% by weight of at least one whitening active ingredient selected from vitamin B3 and its derivatives, color-modifying pigments, and mixtures thereof, and d. an amount of 20% by weight to 90% by weight of water,

[0082] wherein the composition has a pH value of 7 to 10, preferably 7.5 to 10.

[0083] According to a preferred embodiment, the present invention relates to a composition for cleaning and / or removing make-up from keratinous materials, relative to the total weight of the composition, comprising: a. 3% by weight to 5% by weight of coco betaine, b. 1% by weight to 3% by weight of acrylate copolymer, c. 0.3% by weight to 1% by weight of at least one whitening active agent selected from niacinamide, titanium dioxide and a mixture thereof, and d. 30% by weight to 80% by weight of water,

[0084] wherein the composition has a pH value of 7 to 10, preferably 7.5 to 10, for example, a pH value of 7, 7.5, 8, 8.5, 9, 9.5 or 10.

[0085] By means of the components of an amphoteric surfactant, an acrylate copolymer and a relatively higher amount of a bleaching active and a pH value of 7 or higher, the composition comprising them can achieve improved stability and rheological performance, and / or further improved foaming performance. Process and use

[0086] The composition according to the present invention can be used in a process of cleaning and / or removing make-up from keratinous materials, such as the skin, by being applied to the keratinous materials.

[0087] The composition according to the invention can be applied by any means allowing uniform distribution, preferably using a finger, a palm or a cotton ball, and can be removed by rinsing with water.

[0088] According to a third aspect, the present invention relates to a process for cleaning and / or removing makeup from keratinous materials, preferably from the skin, comprising the application of the above composition to the keratinous materials.

[0089] In some cases, the method further comprises rinsing the composition with water.

[0090] Preferably, the process further comprises massaging the keratinous materials for 2 seconds to 60 seconds before rinsing the composition.

[0091] According to a fourth aspect, the present invention relates to the use of a combination of at least one amphoteric surfactant and at least one acrylate copolymer for improving the foaming performance of a composition comprising at least one bleaching active, wherein the amphoteric surfactant, the acrylate copolymer and the bleaching active are defined above, and wherein the composition preferably comprises an amount of 0.3% by weight or more of at least one bleaching active, relative to the total weight of the composition.

[0092] Preferably, the amphoteric surfactant is chosen from betaines, and more preferably coco betaine.

[0093] Preferably, the acrylate copolymer is selected from a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C1-C4 alkyl ester, a crosslinked copolymer of methacrylic acid and a C1-C4 alkyl acrylate and mixtures thereof.

[0094] Preferably, the weight ratio between the amphoteric surfactant and the acrylate copolymer ranges from 0.8 to 5, or from 1 to 3, or from 1.2 to 2.

[0095] Preferably, the whitening active ingredient is preferably chosen from vitamin B3 and its derivatives, skin tone modifying pigments, and mixtures thereof, more preferably chosen from niacinamide, titanium dioxide and one of their mixtures; and is preferably present in an amount ranging from 0.3% by weight to 3% by weight, and more preferably from 0.3% by weight to 1% by weight, relative to the total weight of the composition.

[0096] Preferably, the composition has a pH value of 7 to 10, preferably 7.5 to 10, for example, a pH value of 7, 7.5, 8, 8.5, 9, 9.5 or 10.

[0097] The present invention is illustrated in more detail by the examples described below, which are given by way of non-limiting illustrations. EXAMPLES

[0098] The main raw materials used, their trade names and their suppliers are listed in Table 1.

[0099] [Table 1]

[0100] [Tables] INCI name Trade name Supplier NIACINAMIDE NIACINAMIDE PC DSM NUTRITIONAL PRODUCTS TITANIUM DIOXIDE HOMBITAN FF PHARMA VENATOR ACRYLATES COPOLYMER ACULYN 33 A RHEOLOGY MODIFY DOW COCO-BETAINE DEHYTON AB 30 BASF

[0101] Comparative Examples 1 to 3 and Inventive Examples 1 to 3

[0102] The compositions according to Comparative Examples (CE.) 1 to 3 and Examples Inventives (Ex.) 1 to 3 comprising the ingredients indicated in Table 2 were prepared, all quantities being expressed as percentages by weight of material active in relation to the total weight of each composition.

[0103] [Table 2]

[0104] [Tables2] Components Ex. 1 Ex. 2 Ex. 3 EC. 1 EC. 2 EC. 3 NIACINAMIDE 0.5 0.5 0.5 0.5 0.5 TITANIUM DIOXIDE 0.5 0.5 0.5 ACRYLATES COPOLYMER 2.6 2.6 2.6 2.6 COCO-BETAINE 4.5 4.5 4.5 4.5 4.5 WATER QS100 QS100 QS100 QS100 QS100 QS100 PH 9 9 9 9 9 9 Preparation process

[0105] The compositions were prepared from a process comprising the following steps: 1. mixing the bleaching active and the acrylate copolymer (if any) with water to form premix 1, then correcting the pH value of premix 1 to 9 using sodium hydroxide; and 2. addition of the amphoteric surfactant (if applicable) in Premix 1 to form the final composition. Stability test

[0106] For each composition of Inventive Examples 1 to 3 and Comparative Examples 1 to 3, stability was tested by storing the composition respectively at RT, 4°C, 37°C and 45°C for 2 months. Viscosity test

[0107] For each composition of Inventive Examples 1 to 3 and Comparative Examples 1 to 3, the viscosity was measured at 25°C and at atmospheric pressure using a Rheomat RM 180® apparatus equipped with an M3 spindle at a rotation speed of 200 rpm after 10 minutes of rotation of the spindle in the composition. Foaming performance test

[0108] Preparation procedure: 1. sampling 0.5 mL of each test composition with a syringe and 2 x 1 mL of water with pipettes; 2. Rinse hands under running tap water for 2 seconds and deposit 0.5 mL of each composition onto the palm(s) with a syringe, then adding 1 mL of water with a pipette; 3. perform back and forth movements for 20 rounds (2 circles / second) and pause to collect the foams in the palm(s) to prevent the foams from flowing out if necessary; 4. adding another 1 mL of water with a pipette, and performing back and forth movements for 20 revolutions (2 circles / second), and pausing to collect the foams in the palm(s) to prevent the foams from flowing out if necessary; and 5. Gather all the foams in one palm.

[0109] Foaming performance was evaluated by the volume of foams obtained at the end of hand rubbing (40 revolutions). Scores from 1 to 5 were given. The higher the score, the better the foaming performance.

[0110] Score 5: very high;

[0111] Score 4: slightly high;

[0112] Score 3: average;

[0113] Score 2: slightly low;

[0114] Score 1: low.

[0115] The results of stability, viscosity and foaming performance are shown in Table 3.

[0116] [Table 3]

[0117] [Tables3] Properties Ex. 1 Ex. 2 Ex. 3 EC. 1 EC. 2 EC.3 Stability (RT, 4 °C, 37 °C and 45 °C for 2 months respectively) Homogeneous at RT, 4 °C, 37 °C and 45 °C for 2 months Homogeneous at RT, 4 °C, 37 °C and 45 °C for 2 months Homogeneous at RT, 4 °C, 37 °C and 45 °C for 2 months Phase separation at 37 °C and 45 °C after 2 months Phase separation at 4 °C, 37 °C and 45 °C after 2 months Phase separation at 37 °C and 45 °C after 2 months Viscosity (mPa-S) Gel (M3 2520) Thick gel (M3 3360) Gel (M3 2520) Fluid (M3 <840) Thinner gel (M3 840) Fluid (M3 <840) Foaming rating 5 / 5 4 / 5 5 / 5 1 / 5 2 / 5 1 / 5

[0118] From Table 3 it can be seen that only the compositions of the Examples inventive methods 1 to 3, comprising an amount of 0.3 wt% or more of one or more bleaching actives, an amphoteric surfactant and an acrylate copolymer and having a relatively higher pH value, e.g., 9, can provide desirable stability, rheological performance and further improved foaming performance.

[0119] In contrast, each of the compositions of Comparative Examples 1 to 3, which does not comprise an amphoteric surfactant or an acrylate copolymer, cannot achieve desirable rheology and foaming performances, and / or is not stable after being stored for 2 months at different temperatures and / or is stable only at room temperature.

Claims

Claims

1. Composition, in particular for cleaning and / or removing make-up from keratinous materials, comprising a) at least one amphoteric surfactant, b) at least one acrylate copolymer, and c) an amount of 0.3% by weight or more of at least one bleaching active agent, relative to the total weight of the composition, in which the composition has a pH value of 7 or more.

2. Composition according to claim 1, in which the amphoteric surfactant is chosen from betaines, sultaines, alkyl amphoacetates and alkyl amphodiacetates, alkyl amphropropionates, and mixtures thereof, and preferably betaines.

3. The composition of claim 2, wherein the amphoteric surfactant is selected from the group consisting of coco betaine, cocami-dopropyl betaine, behenyl betaine, capryl / capramidopropyl betaine, lauryl dimethyl betaine, lauryl betaine, stearyl betaine and mixtures thereof, and is preferably coco betaine.

4. A composition according to any one of the preceding claims, wherein the acrylate copolymer is selected from a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C1-C4 alkyl ester; a crosslinked copolymer of methacrylic acid and a C1-C4 alkyl acrylate selected from methyl acrylate, ethyl acrylate and butyl acrylate; and mixtures thereof.

5. A composition according to any one of the preceding claims, wherein the whitening active is selected from the group consisting of vitamin B3 and its derivatives, ascorbic acid and its derivatives, resorcinol derivatives, C-glycoside derivatives, salicylic acid and its derivatives, kojic acid and its derivatives, tranexamic acid and its derivatives, flavonoids (including baicalin), hydroxylated diphenylmethane derivatives, tone-modifying pigments, and mixtures thereof, and is preferably selected from vitamin B3 and its derivatives, tone-modifying pigments, and mixtures thereof.

6. A composition according to claim 5, wherein the tone-modifying pigment is selected from the group consisting of talc, mica, silica, titanium dioxide, zinc dioxide-coated mica and titanium dioxide. titanium, borosilicates, hydrophobically modified zinc dioxides, hydrophobically modified titanium dioxides, titanium-zinc dioxide composites, and mixtures thereof, and is preferably titanium dioxide; and / or vitamin B3 and its derivatives is selected from niacinamide.

7. A composition for cleaning and / or removing make-up from keratinous materials comprising, relative to the total weight of the composition: a) an amount of 0.5% by weight to 10% by weight, preferably 3% by weight to 5% by weight, of at least one betaine, preferably coco betaine, b) an amount of 0.1% by weight to 5% by weight, preferably 1% by weight to 3% by weight, of at least one copolymer of acrylates, preferably a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C1-C4 alkyl ester, or a crosslinked copolymer of methacrylic acid and C1-C4 alkyl acrylate, c) an amount of 0.3% by weight to 3% by weight, preferably from 0.3% by weight to 1% by weight, of at least one whitening active agent chosen from vitamin B3 and its derivatives, of skin tone modifying pigments, and their mixtures,preferably chosen from niacinamide, titanium dioxide, and a mixture thereof, and d) an amount of 20% by weight to 90% by weight, preferably 30% by weight to 80% by weight, of water, in which the composition has a pH value of 7 to 10, preferably 7.5 to 10.,

8. A combination for improving the foaming performance of a composition comprising at least one bleaching active, comprising, consisting essentially of, or even consisting of at least one amphoteric surfactant and at least one acrylate copolymer, wherein the amphoteric surfactant is selected from betaines, preferably coco betaine; wherein the acrylate copolymer is a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C1-C4 alkyl ester, or a crosslinked copolymer of methacrylic acid and a C1-C4 alkyl acrylate; wherein the bleaching active is selected from vitamin B3 and its derivatives, color-modifying pigments, and mixtures thereof; wherein the weight ratio of amphoteric surfactant to acrylate copolymer is from 0.8 to 5, or from 1 to 3, or from 1.2 to 2; wherein the composition has a pH value of from 7 to 10, preferably from 7.5 to 10; and / or wherein the composition comprises an amount of 0.3% by weight or more, preferably from 0.3% by weight to 3% by weight, more preferably from 0.3% by weight to 1% by weight of at least one bleaching active, relative to the total weight of the composition.

9. A process for cleaning and / or removing make-up from keratinous materials, comprising a) applying a composition according to any one of claims 1 to 7 to the keratinous materials, b) massaging the keratinous materials for 2 seconds to 60 seconds, and c) rinsing the composition with water.

10. Use of a combination of at least one amphoteric surfactant and at least one acrylate copolymer for improving the foaming performance of a composition comprising at least one bleaching active, wherein the amphoteric surfactant is selected from betaines, preferably coco betaine; wherein the acrylate copolymer is a crosslinked copolymer of acrylic acid and / or methacrylic acid and an ester thereof comprising a hydrocarbyl group having less than 6 carbon atoms, preferably a C1-C4 alkyl ester, or a crosslinked copolymer of methacrylic acid and a C1-C4 alkyl acrylate; wherein the bleaching active is selected from vitamin B3 and its derivatives, color-modifying pigments, and mixtures thereof; wherein the weight ratio between the amphoteric surfactant and the acrylate copolymer ranges from 0.8 to 5, preferably from 1 to 3, more preferably from 1.2 to 2;wherein the composition has a pH value of from 7 to 10, preferably from 7.5 to 10; and / or wherein the composition comprises an amount of 0.3% by weight or more, preferably from 0.3% by weight to 3% by weight, more preferably from 0.3% by weight to 1% by weight of at least one bleaching active, relative to the total weight of the composition.;