COMPOSITION AND PROCESS FOR THE TREATMENT OF KERATINOUS MATERIALS

Abstract

COMPOSITION AND METHOD FOR THE CARE OF KERATINOUS MATERIALS The present invention relates to a composition comprising: (i) at least one copper salt; (ii) at least one hydrophilic acrylic polymer; and (iii) at least one amphiphilic acrylic copolymer. The present invention also relates to a non-therapeutic method for the care of keratinous materials, comprising the application of said composition to the materials. Figure for the abstract: none

Description

Title of the invention: COMPOSITION AND METHOD FOR THE CARE OF KERATINOUS MATERIALS technical field

[0001] The present invention relates to a cosmetic composition. In particular, the present invention relates to a composition for the care of keratinous materials. The present invention also relates to a non-therapeutic method for the care of keratinous materials. STATE OF THE ART

[0002] Human skin consists of three compartments, namely a superficial compartment, which is the epidermis, the dermis and a deep compartment, which is the hypodermis.

[0003] The dermis is primarily composed of fibroblasts and an extracellular matrix (ECM). This extracellular matrix consists of various macromolecules responsible for the skin's mechanical resistance, suppleness, tone, and elasticity, as well as physiologically important functions (hydration, thermoregulation, and regulation of skin permeability). These macromolecules include, in particular, collagens, elastin, and glycoconjugates (glycoproteins and proteoglycans).

[0004] Collagens represent 70% of the proteins in the ECM. Naturally, collagens are constantly renewed, but this renewal decreases with age, resulting in thinning of the dermis.

[0005] A wide variety of cosmetic products have been used to care for the skin, for example, to resist skin aging. However, some anti-aging cosmetic products on the market are unsatisfactory; for example, they are not stable and / or cannot provide a good feel (i.e., a non-sticky touch) on the skin.

[0006] Thus, there is always a need to formulate a skincare composition for keratinous materials, for example, an anti-aging skincare product, that is stable and can provide a pleasant sensation (for example, a non-sticky feel) on the keratinous materials. Summary of the invention

[0007] An object of the present invention is therefore to develop a keratinous material care composition, for example anti-aging for the skin, which is stable and can deliver a good sensation (for example, a non-sticky touch) on keratinous materials.

[0008] Another object of the present invention is to propose a non-therapeutic method for the treatment of keratinous materials.

[0009] Consequently, in a first aspect, the present invention proposes a composition comprising: i. at least one copper salt; ii. at least one hydrophilic acrylic polymer; and iii. at least one amphiphilic acrylic copolymer.

[0010] The inventors have discovered that the composition of the present invention is stable and can deliver a good sensation (for example, a non-sticky touch) on keratinous materials.

[0011] The composition of the present invention can be used to resist skin aging.

[0012] In a second aspect, the present invention proposes a non-therapeutic method for the treatment of keratinous materials, comprising the application of the composition according to the first aspect of the present invention on the keratinous materials.

[0013] Other subjects, features, aspects, and advantages of the present invention will be presented in the following description and will be partly evident from the description or may be learned through practice of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0014] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as that commonly understood by a person skilled in the art of the present invention. Where the definition of a term in this description conflicts with the meaning commonly understood by a person skilled in the art of the present invention, the definition described herein shall apply.

[0015] In what follows and unless otherwise indicated, the limits of a range of values ​​are included in that range, in particular, in the expressions "between...and..." and "from...to...".

[0016] Furthermore, the expression "at least one" used in this description is equivalent to the expression "one or more".

[0017] Throughout this application, the term "including" shall be interpreted as encompassing all the specifically mentioned features as well as optional, additional, unspecified features. As used herein, the use of the term "including" also discloses the embodiment in which no features other than the specifically mentioned features are present (i.e., "consisting of").

[0018] Unless otherwise specified, all numerical values ​​expressing a quantity of ingredients and the like used in the description and claims shall be understood as modified by the term "approximately". Consequently, unless otherwise indicated, the numerical values ​​and parameters described herein are approximate values ​​which, if necessary, can be changed according to the desired purpose.

[0019] For the purposes of the present invention, the term "keratinous materials" is intended to cover human skin, including facial skin and lips. Facial skin is considered in particular according to the present invention.

[0020] In the present invention, all percentages refer, unless otherwise specified, to a percentage by weight.

[0021] According to the first aspect, the composition of the present invention comprises: i. at least one copper salt; ii. at least one hydrophilic acrylic polymer; and iii. at least one amphiphilic acrylic copolymer. Copper salts

[0022] According to the first aspect, the composition of the present invention comprises at least one copper salt.

[0023] The copper salt is chosen from the copper salts of an organic acid, the copper salts of an inorganic acid, and their combinations.

[0024] Examples of organic acids include ascorbic acid, formic acid, acetic acid, glycolic acid, gluconic acid, lactic acid, mandelic acid, oxalic acid, maleic acid, malonic acid, glyoxylic acid, succinic acid, adipic acid, fumaric acid, sebacic acid, citric acid, tartaric acid, malic acid, tricarboxylic acid, glutaric acid, glucaric acid, pyrrolidone carboxylic acid (PCA), phenol sulfonic acid, salicylic acid, an amino acid, etc.

[0025] Copper salts of an organic acid also include a peptide copper complex including, but not limited to, peptide copper salts comprising at least two amino acids.

[0026] Examples of inorganic acids include sulfuric acid, carbonic acid, silicic acid, hydrochloric acid, nitric acid, phosphoric acid, etc.

[0027] Preferably, the copper salt is selected from copper tripeptide-1, copper ascorbate, copper formate, copper acetate, copper glycolate, copper gluconate, copper lactate, copper mandelate, copper oxalate, copper maleate, copper malonate, copper glyoxylate, copper succinate, copper adipate, copper fumarate, copper sebacate, copper citrate, tartrate copper, copper malate, copper tricarboxylate, copper glutarate, copper glucorate, copper pyrrolidone carboxylate (copper PCA), copper phenol sulfonate, copper salicylate, copper chloride, copper sulfate, copper nitrate, copper carbonate, copper phosphate, copper silicate, and their combinations.

[0028] More preferably, the copper salt is chosen from copper tripeptide-1, copper gluconate, copper sulfate, copper PCA, and their combinations.

[0029] More preferably, the copper salt is chosen from copper tripeptide-1, copper gluconate, and their combinations.

[0030] Advantageously, the copper salt is present in the composition of the present invention in an amount ranging from 0.00001% by weight to 10% by weight, preferably from 0.0005% by weight to 5% by weight, more preferably from 0.001% by weight to 1% by weight, even more preferably from 0.001% by weight to 0.5% by weight, still more preferably from 0.003% by weight to 0.3% by weight, most preferably from 0.005% by weight to 0.2% by weight, relative to the total weight of the composition. Hydrophilic acrylic polymers

[0031] According to the first aspect, the cosmetic composition of the present invention comprises at least one hydrophilic acrylic polymer.

[0032] As used herein, the expression "hydrophilic acrylic polymers" means, in particular, non-hydrophobic and non-amphiphilic acrylic polymers.

[0033] Preferably, the hydrophilic acrylic polymer is chosen from acrylic acid or methacrylic acid or ethacrylic acid polymers or a salt or ester thereof.

[0034] More preferably, the hydrophilic acrylic polymer is chosen from optionally crosslinked and / or neutralized homopolymers of acrylic acid or methacrylic acid. The crosslinking agent used in the crosslinked homopolymers of acrylic acid or methacrylic acid is chosen from pentaerythritol allyl ether, sucrose allyl ether, or propylene allyl ether.

[0035] More preferably, the hydrophilic acrylic polymer is chosen from crosslinked and neutralized acrylamidomethylpropanesulfonic acid homopolymers, such as ammonium polyacryloyldimethyl taurate.

[0036] As commercial examples of crosslinked and neutralized acrylamidomethylpropanesulfonic acid homopolymers, ammonium polyacryloyldimethyl taurate, such as the products sold under the name HOSTACERINE AMPS sold by the company CLARIANT, may be cited.

[0037] For the purposes of the present invention, it is preferable that the composition according to the present invention comprise ammonium polyacryloyldimethyl taurate.

[0038] Advantageously, the hydrophilic acrylic polymer is present in the composition according to the present invention in an amount ranging from 0.001% by weight to 10% by weight, preferably from 0.005% by weight to 5% by weight, more preferably from 0.01% by weight to 3% by weight, even more preferably from 0.01% by weight to 1% by weight, relative to the total weight of the composition. Amphiphilic acrylic copolymers

[0039] According to the first aspect, the composition of the present invention comprises at least one amphiphilic acrylic copolymer.

[0040] These copolymers comprise both a hydrophilic part and a hydrophobic part including at least one fatty chain. They are therefore amphiphilic copolymers.

[0041] A fatty chain of such a polymer can comprise from 7 to 30 carbon atoms and in particular from 8 to 22 carbon atoms.

[0042] Preferably, the acrylic copolymers are amphiphilic copolymers derived from 2-acrylamido-2-methylpropanesulfonic acid (AMPS), which are also called AMPS® copolymers.

[0043] The AMPS® copolymers according to the invention can be crosslinked or non-crosslinked.

[0044] Among the crosslinking agents that may be suitable for use, the following may be mentioned without limitation: methylenebisacrylamide, allyl methacrylate and trimethylolpropane triacrylate (TMPTA).

[0045] The degree of crosslinking can range from 0.01% in mol to 10% in mol and particularly from 0.2% in mol to 2% in mol relative to the copolymer.

[0046] These copolymers may also contain other ethylenically unsaturated hydrophilic monomers selected, for example, from acrylic acid, methacrylic acid or their alkyl-substituted derivatives or their esters obtained with mono- or polyalkylene glycols, acrylamide, methacrylamide, vinylpyrrolidone, itaconic acid and maleic acid, or mixtures thereof.

[0047] An amphiphilic acrylic copolymer suitable for the present invention can be selected from the amphiphilic copolymers of AMPS® and at least one ethylenically unsaturated monomer comprising at least one hydrophobic part containing from 7 to 30 carbon atoms, in particular from 8 to 22 carbon atoms.

[0048] The hydrophobic part can be a saturated or unsaturated linear alkyl radical (e.g. n-octyl, n-decyl, n-hexadecyl, n-dodecyl or oleyl), branched (e.g. isostearic) or cyclic (e.g. cyclododecane or adamantane).

[0049] An ethylenically unsaturated hydrophobic monomer suitable for use in the invention may be selected from the acrylates or acrylamides of formula (A) below: R (A) .4 y

[0050] in which:

[0051] - R27 designates a hydrogen atom or a linear or branched Ci-C6 alkyl radical (preferably methyl),

[0052] - Y designates O or NH;

[0053] - R28 designates a hydrophobic radical comprising a fatty chain containing 7 to 30 carbon atoms, preferably from 8 to 22 carbon atoms.

[0054] The hydrophobic radical R28 is selected from among saturated or unsaturated linear C7-C30 alkyl radicals (e.g. n-octyl, n-decyl, n-hexadecyl, n-dodecyl or oleyl), branched alkyl radicals (e.g. isostearic) or cyclic alkyl radicals (e.g. cyclododecane or adamantane).

[0055] Among these radicals, linear and branched alkyl radicals are particularly preferred.

[0056] According to one embodiment of the invention, the hydrophobic radical R28 may also include at least one alkylene oxide motif and in particular a polyoxyalkylene chain.

[0057] A polyoxyalkylene chain can be formed from ethylene oxide motifs and / or propylene oxide motifs and even more particularly can be formed solely from ethylene oxide motifs.

[0058] The number of moles of oxyalkylene motifs can generally range from 1 to 30 mol, more particularly from 3 to 25 mol and even more particularly from 5 to 25 mol.

[0059] An amphiphilic acrylic copolymer according to the invention can be partially or totally neutralized with a mineral base (sodium hydroxide, potassium hydroxide or aqueous ammonia) or an organic base such as monoethanolamine, diethanolamine, triethanolamine, aminomethylpropanediol, N-methylglucamine, basic amino acids, for example arginine and lysine, and mixtures of these compounds.

[0060] Among the AMPS® amphiphilic copolymers suitable for use in the invention, mention may be made of crosslinked or non-crosslinked, neutralized or non-neutralized copolymers comprising from 15% by weight to 60% by weight of AMPS motifs and from 40% by weight to 85% by weight of (C8-C20)alkyl(meth)acrylamide motifs or (C8C) motifs

[0061]

[0062]

[0063]

[0064]

[0065]

[0066] 2o)alkyl(meth)acrylate with respect to the polymer, such as those described in patent application EP-A-0 750 899. Examples of suitable amphiphilic copolymers for use in the invention include polyoxyethylenated copolymers (crosslinked or noncrosslinked) of AMPS® and alkyl methacrylates, and mixtures thereof, with the number of moles of oxyethylene motifs ranging from 1 to 30 mol, preferably from 3 to 25 mol and more preferably from 5 to 25 mol. As amphiphilic copolymers suitable for use in the invention, we may also mention copolymers of totally neutralized AMPS# and n-dodecyl, n-hexadecyl and / or n-octadecyl methacrylate, and also copolymers of AMPS and n-dodecylmethacrylamide, which may be crosslinked or non-crosslinked. We can also mention amphiphilic copolymers, cross-linked or non-cross-linked, comprising, or even being formed from: 2-acrylamido-2-methylpropanesulfonic acid motifs (AMPS®) of formula (B) below: in which X can be a proton, an alkali metal cation, an alkaline earth metal cation or an ammonium ion, more particularly designates sodium or ammonium; and formula patterns (C) below:

[0067]

[0068]

[0069] jd-, Z * “'J in which: - n and p, independently of each other, denote a number of moles and range from 0 to 30, in particular from 1 to 25 and more particularly from 3 to 25, provided that n + p is less than or equal to 30; - R27 has the same meaning as that indicated in the preceding formula (A), and

[0070] - R29 designates a linear or branched alkyl radical comprising 7 to 22 atoms of carbon.

[0071] Examples include:

[0072] non-crosslinked amphiphilic copolymers for which p = 0, n = 7 or 25, R27 denotes the methyl and R29 represents the C18 alkyl or a mixture of a C16 alkyl and a Cl8 alkyl, and

[0073] crosslinked amphiphilic copolymers for which p = 0, n = 8 or 25, R27 denotes the methyl and R29 represents the C18 alkyl or a mixture of C16 alkyl and C18 alkyl.

[0074] These copolymers are described and synthesized in document EP 1 069 142.

[0075] The molar percentage concentration of the formula motifs (B) and the formula motifs (C) in an amphiphilic polymer according to the invention can vary depending on the desired cosmetic application, the nature of the emulsion (oil-in-water emulsion or water-in-oil emulsion) and the rheological properties of the desired formulation, which can vary between 0.1 and 99.9 mol%.

[0076] The molar proportion of formula (B) motifs in an amphiphilic polymer according to the invention can preferably range from 0.1% to 50%, more particularly from 1% to 25%, and even more particularly from 3% to 10%.

[0077] The molar proportion of formula (C) motifs in an amphiphilic acrylic polymer according to the invention can preferably range from 50.1% to 99.9%, more preferably from 60% to 95% and even more preferably from 65% to 90%.

[0078] The distribution of monomers in the polymers of the invention can be, for example, alternating, block (including multiblock) or random.

[0079] By way of example, and without limitation, the following commercial references may be cited: Aristoflex® HMS and Aristoflex® HMB sold by Clariant, these two references relating to crosslinked polymers.

[0080] Aristoflex® HMS is the name of the AMPS© / ethoxylated cetearyl methacrylate (25 EO) 80 / 20 copolymer, crosslinked with trimethylolpropane triacrylate (TMPTA) or ammonium acryloyldimethyltaurate / stearate-25 methacrylate crosspolymer as INCI name.

[0081] As an INCI name, Aristoflex® HMB is an ammonium acryloyldimethyltaurate / Beheneth-25 methacrylate crosspolymer.

[0082] More preferably, the amphiphilic acrylic copolymer is chosen from an optionally crosslinked and / or neutralized copolymer of AMPS and polyoxyethylenated alkyl methacrylate, the alkyl containing from 7 to 30 carbon atoms, in particular from 8 to 22 carbon atoms, the number of moles of oxyethylene motifs ranges from 1 to 30 mol, preferably from 3 to 25 mol and more preferably from 5 to 25 mol.

[0083] Even more preferably, the amphiphilic acrylic copolymer is chosen from the ammonium acryloyldimethyltaurate / beheneth-25 methacrylate crosslinked polymer, the ammonium acryloyldimethyltaurate / stearate-25 methacrylate crosslinked polymer, and one of their combinations.

[0084] Most preferably, the composition of the present invention comprises the crosslinked polymer of ammonium acryloyldimethyltaurate / steareth-25 methacrylate.

[0085] Advantageously, the amphiphilic acrylic copolymer is present in the composition according to the present invention in an amount ranging from 0.001% by weight to 10% by weight, preferably from 0.005% by weight to 5% by weight, more preferably from 0.01% by weight to 3% by weight, and even more preferably from 0.01% by weight to 1% by weight, relative to the total weight of the composition. Aqueous phase

[0086] The composition of the present invention may include an aqueous phase.

[0087] Preferably, the aqueous phase comprises water.

[0088] Advantageously, water is present in the composition of the present invention in an amount ranging from 50% by weight to 99% by weight, preferably from 60% by weight to 97% by weight, more preferably from 70% by weight to 95% by weight, relative to the total weight of the composition.

[0089] Optionally, the aqueous phase comprises an organic solvent miscible with water (at room temperature at 25 °C) selected from monoalcohols, glycols and polyols having from 2 to 20 carbon atoms, such as octyldodecanol, glycerin, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, caprylyl glycol, dipropylene glycol, diethylene glycol; and mixtures thereof.

[0090] Advantageously, the organic solvent is present in the composition of the present invention in an amount ranging from 0.1% by weight to 10% by weight, preferably from 0.3% by weight to 8% by weight, more preferably from 0.5% by weight to 6% by weight, relative to the total weight of the composition.

[0091] Advantageously, the aqueous phase is present in the composition of the present invention in an amount ranging from 60% by weight to 99% by weight, preferably from 60% by weight to 97% by weight, more preferably from 70% by weight to 95% by weight, relative to the total weight of the composition. Additional cosmetic active ingredients

[0092] The composition of the present invention may include an additional cosmetic active ingredient in addition to the cosmetic active ingredients as defined above.

[0093] A person skilled in the art can adjust the type and quantity of additional cosmetic active ingredients according to the end use of the composition according to the present invention. Additional adjuvants or additives

[0094] The composition of the present invention may also include conventional cosmetic adjuvants or additives, for example, perfumes, chelating agents, surfactants, preservatives and bactericides, pH regulators, oils, and mixtures thereof.

[0095] A person skilled in the art can choose the quantity of additional adjuvants or additives so as not to have a negative impact on the final use of the composition according to the present invention.

[0096] According to a particularly preferred embodiment, the present invention proposes a composition comprising, relative to the total weight of the composition:

[0097] (i) from 0.001% by weight to 0.5% by weight of at least one copper salt selected from the copper tripeptide-1, copper gluconate, and their combinations;

[0098] (ii) from 0.01% by weight to 1% by weight of at least one hydrophilic acrylic polymer selected from crosslinked homopolymers of acrylic acid or methacrylic acid; and

[0099] (iii) from 0.01 wt% to 1 wt% of at least one amphiphilic acrylic copolymer selected from an optionally crosslinked and / or neutralized copolymer of 2-acrylamido-2-methylpropanesulfonic acid and polyoxyethylenated alkyl methacrylate, the alkyl containing from 7 to 30 carbon atoms, the number of moles of oxyethylene motifs ranges from 1 to 30 mol, preferably from 3 to 25 mol and more preferably from 5 to 25 mol. pharmaceutical form and process

[0100] The composition of the present invention is in the form of an emulsion, a cream, a lotion or a hydrogel, and can be used as a toner, a lotion, a light cream, a nourishing cream, a night mask or an eye cream.

[0101] The composition of the present invention is stable and can deliver a non-sticky sensation to keratinous materials.

[0102] As used herein, "stable" means that the composition does not show any obvious change in appearance at 45°C for at least 2 months and at 55°C for 10 days.

[0103] The composition of the present invention can be used for the care of keratinous materials, such as skin. Preferably, the composition of the present invention can deliver an anti-aging effect and a good feeling (i.e., a non-sticky touch) on the skin.

[0104] According to the second aspect, the present invention proposes a non-therapeutic method for the treatment of keratinous materials, comprising the application of the composition according to the first aspect of the present invention to the keratinous materials.

[0105] In certain embodiments, the present invention proposes an anti-aging process for the skin, comprising the application of the composition according to the first aspect of the present invention to the skin. EXAMPLES

[0106] The following examples are given by way of non-limiting illustrations of the present invention.

[0107] The main raw materials used, their trade names and suppliers are listed in Table 1.

[0108] [Tables] INCI Name Trade Name Supplier Copper Tripeptide-1 GHK-CU SPECIFIE (1.0%) SPECCHEM I INDUSTRY Copper Gluconate MINERALIS GU / CU GIVAUDAN-L AVIROTTE Hydroxypropyl Tetrahydropyrantriol MEXORYL SCS NOVEAL Ammonium Polyacryloyldimethyl Taurate HOSTACERIN AMPS CLARIANT Acryloyldimethyl Taurate / Steareth-25 Methacrylate Crosslinked Polymer ARISTOFLEX HMS CLARIANT Xanthan Gum KELTROL CG-T CP KELCO Glycol Distearate (and) Coco-Glucoside (and) Glyceryl Stearate (and) Glyceryl Oleate LAMESOFT TM BENZ BASF Bis-PEG-18 Methyl Ether Dimethyl Silane DOWSIL2511 COSME TIC WAX DOW Carrageenan SATIAGUM VPC 410 CARGILL Gellan gum KELCOGEL CG LA CP KELCO Inventive Example 1 and Comparative Examples 1-3

[0109] Compositions of the example of the invention (El) 1 and comparative examples (EC) 1-3 were prepared on the basis of the quantities of components given in Table 2. The quantities are given as a percentage by weight of each component relative to the total weight of the composition, MA meaning active substance.

[0110] [Tableaux2] ELI EC.1 EC.2 EC.3 Copper Tripeptide-1 0.02 (MA) 0.02 (MA) 0.02 (MA) 0.02 (MA) Copper Gluconate 0.1 0.1 0.1 0.1 Ammonium Polyacryloyldimethyl Taurate 0.15 0.35 0 0.15 Acryloyldimethyl Taurate / Steareth-25 Methacrylate Crosslinked Polymer 0.2 0 0.35 0 Xanthan Gum 0 0 0 0.2 Glycol Distearate (and) Coco-Glucoside (and) Glyceryl Stearate (and) Glyceryl Oleate 1 1 1 1 Hydroxypropyl Tetrahydropyrantriol 3 (MA) 3 (MA) 3 (MA) 3 (MA) Bis-PEG-18 Methyl Dimethyl silane ether 5 5 5 5 Glycerin 1.2 1.2 1.2 1.2 Water QS100 QS100 QS100 QS100

[0111] The composition of inventive example 1 represents a composition according to the present invention.

[0112] The composition of comparative example 1 does not include at least one amphiphilic acrylic copolymer.

[0113] The composition of comparative example 2 does not include at least one hydrophilic acrylic polymer.

[0114] The composition of comparative example 3 includes xanthan gum instead of at least one amphiphilic acrylic copolymer.

[0115] Preparation process:

[0116] The compositions of inventive example 1 and comparative examples 1-3 were prepared as follows: 1. Addition, where appropriate, of ammonium polyacryloyldimethyl taurate, ammonium acryloyldimethyl taurate / steareth-25 methacrylate crosslinked polymer, xanthan gum, glycol distearate (and) coco-glucoside (and) glyceryl stearate (and) glyceryl oleate, hydroxypropyl tetrahydropyrantriol, bis-PEG-18 methyl ether dimethyl silane and glycerin according to the corresponding amounts in Table 2 slowly in water with stirring to obtain a mixture; 2. heating the mixture to over 70°C until the polymers are completely dispersed and the mixture becomes a viscous solution; 3. Cooling the solution to room temperature (approximately 20°C); 4. Adding copper tripeptide-1 and copper gluconate while stirring to obtain a homogeneous solution. Inventive Example 2 and Comparative Examples 4-6

[0117] Compositions of the example of the invention (El) 2 and comparative examples (EC) 4-6 were prepared on the basis of the quantities of components given in Table 3. The quantities are given as a percentage by weight of each component relative to the total weight of the composition, MA meaning active material.

[0118] [Tables3] EI.2 EC.4 EC.5 EC.6 Copper Tripeptide-1 0.03 MA 0.03 MA 0.03 MA 0.03 MA Ammonium Polyacryloyldimethyl Taurate 0.25 0.25 0.25 0.25 Acryloyldimethyl Taurate / Steareth-25 Methacrylate Crosslinked Polymer 0.1 0 0 0 Xanthan Gum 0 0.1 0 0 Carrageenan 0 0 0.1 0 Gellan Gum 0 0 0 0.1 Hydroxypropyl Tetrahydropyrantriol 3 (MA) 3 (MA) 3 (MA) 3 (MA) Octyldodecanol 0.5 0.5 0.5 0.5 Water QS100 QS100 QS100 QS100

[0119] The compositions in Inventive Examples 2 represent compositions according to the present invention.

[0120] The composition of comparative example 4 includes xanthan gum instead of at least one amphiphilic acrylic copolymer.

[0121] The compositions of comparative examples 5 include carrageenan instead of at least one amphiphilic acrylic copolymer.

[0122] The composition of comparative example 6 includes gellan gum instead of at least one amphiphilic acrylic copolymer.

[0123] Preparation process:

[0124] The compositions of inventive example 2 and comparative examples 4-6 were prepared as follows: 1. Add, where appropriate, ammonium polyacryloyldimethyl taurate, ammonium acryloyldimethyl taurate / steareth-25 methacrylate crosslinked polymer, xanthan gum, carrageenan, gellan gum, hydroxypropyl tetrahydropyrantriol and octyldodecanol in the corresponding amounts in Table 3 slowly in water with stirring to obtain a mixture; 2. heating the mixture to over 70°C until the polymers are completely dispersed and the mixture becomes a viscous solution; 3. Cooling the solution to room temperature (approximately 20°C); 4. Addition of copper tripeptide-1 under stirring to obtain a homogeneous solution. Assessment

[0125] The compositions prepared above were evaluated in terms of stability at high temperatures and sensation delivered as follows. High temperature stability

[0126] The high-temperature stability of the above-prepared compositions was determined by placing them at 45°C for 2 months and 55°C for 10 days, respectively, and then evaluating their appearance.

[0127] In the absence of phase separation, oil droplet breakup, oil droplet size increase, or non-aggregation after storage at 45°C for 2 months and 55°C for 10 days, the test composition shall be considered to have successfully passed the stability test. Otherwise, the test composition shall be considered to have failed the stability test.

[0128] The stability of each composition tested has been summarized in Tables 4 and 5. Sensation

[0129] The sensation was evaluated by 10 volunteers aged 25 to 40 years with all skin types by applying 0.2 g of the test composition to the inside of the arm in 15 passes. When the test composition was completely dry, the sensation was rated on the basis of stickiness by 10 volunteers according to the following standard:

[0130] 1: non-sticky

[0131] 2: sticky

[0132]

[0133]

[0134]

[0135]

[0136]

[0137] 3: very sticky The scores for feel were averaged for each test composition and summarized in Tables 4 and 5. [Tables 4] ELI Properties EC.1 EC.2 EC.3 Stability Success Failure Success Failure Feeling 1.0 1.0 2.0 3.0 [Tables 5] Properties EL2 EC.4 EC.5 EC.6 Stability Success Failure Failure Failure Feeling 1.0 ND ND ND ND: not determined. It can be seen from Tables 4 and 5 that the compositions of inventive examples 1-2 are stable and can deliver a good sensation.

Claims

Demands

1. Composition comprising: (i) at least one copper salt; (ii) at least one hydrophilic acrylic polymer; and (iii) at least one amphiphilic acrylic copolymer.

2. Composition according to claim 1, wherein the copper salt is selected from copper tripeptide-1, copper ascorbate, copper format, copper acetate, copper glycolate, copper gluconate, copper lactate, copper mandelate, copper oxalate, copper maleate, copper malonate, copper glyoxylate, copper succinate, copper adipate, copper fumarate, copper sebacate, copper citrate, copper tartrate, copper malate, copper tricarboxylate, copper glutarate, copper glucorate, copper pyrrolidone carboxylate (copper PCA), copper phenol sulfonate, copper salicylate, copper chloride, copper sulfate, copper nitrate, copper carbonate, copper phosphate, copper silicate, and their combinations.

3. Composition according to any one of claims 1 to 2, wherein the copper salt is present in an amount from 0.00001% by weight to 10% by weight, preferably from 0.0005% by weight to 5% by weight, preferably from 0.001% by weight to 1% by weight, even more preferably from 0.001% by weight to 0.5% by weight, even more preferably from 0.003% by weight to 0.3% by weight, most preferably from 0.005% by weight to 0.2% by weight, relative to the total weight of the composition.

4. Composition according to any one of claims 1 to 3, wherein the hydrophilic acrylic polymer is selected from acrylic acid or methacrylic acid or ethacrylic acid polymers or a salt or ester thereof, preferably selected from optionally crosslinked and / or neutralized homopolymers of acrylic acid or methacrylic acid, more preferably selected from crosslinked and neutralized homopolymers of acrylamidomethylpropanesulfonic acid, most preferably the composition comprises ammonium polyacryloyldimethyltaurate.

5. Composition according to any one of claims 1 to 4, wherein the hydrophilic acrylic polymer is present in an amount from 0.001% by weight to 10% by weight, preferably from 0.005% by weight to 5% by weight, more preferably from 0.01% by weight to 3% by weight, and even more preferably from 0.01% by weight to 1% by weight, relative to the total weight of the composition.

6. A composition according to any one of claims 1 to 5, wherein the amphiphilic acrylic copolymer is selected from amphiphilic copolymers of 2-acrylamido-2-methylpropanesulfonic acid and at least one ethylenically unsaturated monomer comprising at least one hydrophobic portion containing from 7 to 30 carbon atoms, in particular from 8 to 22 carbon atoms; preferably, the amphiphilic acrylic copolymer is selected from an optionally crosslinked and / or neutralized copolymer of 2-acrylamido-2-methylpropanesulfonic acid and polyoxyethylene alkyl methacrylate, the alkyl containing from 7 to 30 carbon atoms, in particular from 8 to 22 carbon atoms, the number of moles of oxyethylene units from 1 to 30 mol, preferably from 3 to 25 mol and more preferably from 5 to 25 mol, more preferably, the amphiphilic acrylic copolymer is chosen from the ammonium acryloyldimethyltaurate / Beheneth-25 methacrylate crosslinked polymer,the crosslinked polymer of ammonium acryloyldimethyltaurate / stearate methacrylate-25, and one of their combinations.

7. Composition according to any one of claims 1 to 6, wherein the amphiphilic acrylic copolymer is present in an amount from 0.001% by weight to 10% by weight, preferably from 0.005% by weight to 5% by weight, more preferably from 0.01% by weight to 3% by weight, even more preferably from 0.01% by weight to 1% by weight, relative to the total weight of the composition.

8. Composition according to claim 1, comprising, relative to the total weight of the composition: (i) from 0.001% by weight to 0.5% by weight of at least one copper salt selected from copper tripeptide-1, copper gluconate, and combinations thereof; (iii) from 0.01% by weight to 1% by weight of at least one hydrophilic acrylic polymer selected from crosslinked homopolymers of acrylic acid or methacrylic acid; and

9.

10. (iv) from 0.01 wt% to 1 wt% of at least one amphiphilic acrylic copolymer selected from an optionally crosslinked and / or neutralized copolymer of 2-acrylamido-2-methylpropanesulfonic acid and polyoxyethylenated alkyl methacrylate, the alkyl containing from 7 to 30 carbon atoms, the number of moles of oxyethylene motifs from 1 to 30 mol, preferably from 3 to 25 mol and more preferably from 5 to 25 mol. Composition according to any one of claims 1 to 8, further comprising water. Non-therapeutic method for the treatment of materials, comprising the application of the composition according to any one of claims 1 to 9 on the materials.