# US 10,864,151 B1 · Emulsifier-free hydroxy acid gel cream composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,864,151 B1 - Document ID: US10864151B1 - Status: Granted - Kind: B1 - Application number: 16/427,085 - Filed: 2019-05-30 - Published: 2020-12-03 - Granted: 2020-12-15 - Earliest claimed: 2019-05-30 - Assignees: L'oreal - Applicants: L'oreal - Inventors: Jonathan James Faig; David Chan; Maximillian Baria - Web page: https://patentgrep.com/patent/US10864151B1 ## CPC - A61K 8/365: Hydroxycarboxylic acids; Ketocarboxylic acids - A61K 8/042: {Gels} - A61K 8/8152: {Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers} - A61K 8/8158: {Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers} - A61K 8/92: Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof - A61Q 19/00: Preparations for care of the skin - A61K 2800/33: Free of surfactant - A61K 2800/48: Thickener, Thickening system - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS ## Abstract An emulsifier-free composition includes in a water phase a hydroxy acid system that includes alpha hydroxy, a blend of low pH, high electrolyte compatible thickeners and in an oily phase one or a combination of emollient oils. The composition has a pH in the range from about 1 to about 5.0 and is essentially free of emulsifiers and comprises a gel cream architecture. ## Claims ### Claim 1 A cosmetic composition comprising: a) a water phase, comprising; i. a hydroxy acid system comprising alpha hydroxy acid; ii. a primary low pH, high electrolyte compatible thickener comprising Hydroxyethyl Acrylate/Sodium Acrrloyldimethyl Taurate Copolymer; iii. at least one secondary low pH, high electrolyte compatible thickener; and iv. water, and b) an oil phase, comprising: i. one or a combination of emollient oils, butters and waxes; wherein the composition has a pH in the range from about 1 to about 5.0 and is essentially free of emulsifiers selected from: surfactants with a C10-C20 fatty alcohol or acid hydrophobe condensed with from about 2 to about 100 moles of ethylene oxide or propylene oxide per mole of hydrophobe; C2-C10 alkyl phenols condensed with from 2 to 20 moles of alkylene oxide; mono- and di-fatty acid esters of ethylene glycol; fatty acid monoglyceride; mono- and di-C8-C20 fatty acids; alkyl polyglycosides; saccharide fatty amides; methyl gluconamides; alkyl ether sulfates; ad alkyl ether sulfonates; alkyl sulfates; alkyl sulfonates; alkylbenzene sulfonates; alkyl sulfosuccinates; dialkyl sulfosuccinates; C8-C20 acyl isethionates; C8-C20 alkyl ether phosphates; alkylethercarboxylate; and combinations of these, and wherein the composition comprises a gel cream architecture. ### Claim 2 (depends on 1) The cosmetic composition according to claim 1, the hydroxy acid system comprising a combination of hydroxy acids selected from two or more alpha hydroxy acids, at least one alpha hydroxy acid and at least one beta hydroxy acid, and two or more alpha hydroxy acids and at least one beta hydroxy acid. ### Claim 3 (depends on 1) The cosmetic composition according to claim 1, the hydroxy acid system comprising at least one of glycolic acid, lactic acid and citric acid. ### Claim 4 (depends on 1) The cosmetic composition according to claim 1, the at least one secondary thickener comprising one or more of Sodium Acryloyldimethyltaurate/VP Crosspolymer, Sodium Acryloyldimethyltaurate/VP Copolymer, Polyacrylamide (and) C13-14 Isoparaffin (and) Laureth-7, Carbomer, Acrylamide/Sodium Acryloyldimethyltaurate Copolymer (and) Isohexadecane (and) Polysorbate 80. ### Claim 5 (depends on 1) The cosmetic composition according to claim 1, the at least one secondary thickener comprising (a) one or both of Sodium Acryloyldimethyltaurate/VP Crosspolymer and Carbomer, and (b) one of Polyacrylamide (and) C13-14 Isoparaffin (and) Laureth-7 and Acrylamide/Sodium Acryloyldimethyltaurate Copolymer (and) Isohexadecane (and) Polysorbate 80. ### Claim 6 (depends on 1) The cosmetic composition according to claim 1, the one or a combination of emollients comprising one or more of a fatty alcohol, a fatty acid ester, a alkyl glucoside, a silicone oil, and combinations of these. ### Claim 7 (depends on 1) The cosmetic composition according to claim 1, the one or a combination of emollients comprising octyldodecanol, diisopropyl adipate, isononyl isononanoate, limnanthes alba (meadowfoam) seed oil, dicaprylyl carbonate, squalane, dimethicone, Cetearyl Alcohol and Cetearyl Glucoside, and behenyl alcohol, and combinations of these. ### Claim 8 (depends on 1) The cosmetic composition according to claim 1, wherein the hydroxy acid system is present from about 6% to more than about 20% by weight based on the weight of the composition. ### Claim 9 (depends on 1) The cosmetic composition according to claim 1, wherein the primary thickener is present from about 0.5% to about 5% by weight based on the weight of the composition. ### Claim 10 (depends on 1) The cosmetic composition according to claim 1, wherein each of the at least one secondary thickener is present from about 0.5% to about 8% by weight based on the weight of the composition. ### Claim 11 (depends on 1) The cosmetic composition according to claim 1, wherein water is present from about 55% to about 80% by weight based on the weight of the composition. ### Claim 12 (depends on 1) The cosmetic composition according to claim 1, wherein the composition is essentially free or devoid of emulsifiers selected from the group consisting of: sorbitan; polyoxyethylene sorbitan; PEG-100 Stearate; PEG-20 Stearate; Sucrose Stearate; Glyceryl Stearate; Disodium Ethylene Dicocamide PEG-15 Disulfate; Sodium Steroyl Glutamate; Steareth-100; Acrylates/C10-30 Alkyl Acrylate Crosspolymer; and combinations of these. ### Claim 13 A cosmetic composition comprising: a) a water phase, comprising; i. a hydroxy acid system comprising a combination of hydroxy acids selected from two or more alpha hydroxy acids, at least one alpha hydroxy acid and at least one beta hydroxy acid, and two or more alpha hydroxy acids and at least one beta hydroxy acid; ii. a primary low pH, high electrolyte compatible thickener comprising Hydroxyethyl Acrylate/Sodium Acrrloyldimethyl Taurate Copolymer; iii. at least one secondary low pH, high electrolyte compatible thickener comprising one or more of Sodium Acryloyldimethyltaurate/VP Crosspolymer, Sodium Acryloyldimethyltaurate/VP Copolymer, Polyacrylamide (and) C13-14 Isoparaffin (and) Laureth-7, Carbomer, Acrylamide/Sodium Acryloyldimethyltaurate Copolymer (and) Isohexadecane (and) Polysorbate 80; and iv. water, and b) an oil phase, comprising: i. one or a combination of emollient oils comprising one or more of a fatty alcohol, a fatty acid ester, a alkyl glucoside, a silicone oil, and combinations of these; wherein the composition has a pH in the range from about 1 to about 5.0 and is essentially free of emulsifiers selected from: surfactants with a C10-C20 fatty alcohol or acid hydrophobe condensed with from about 2 to about 100 moles of ethylene oxide or propylene oxide per mole of hydrophobe; C2-C10 alkyl phenols condensed with from 2 to 20 moles of alkylene oxide; mono- and di-fatty acid esters of ethylene glycol; fatty acid monoglyceride; mono- and di-C8-C20 fatty acids; alkyl polyglycosides; saccharide fatty amides; methyl gluconamides; alkyl ether sulfates; ad alkyl ether sulfonates; alkyl sulfates; alkyl sulfonates; alkylbenzene sulfonates; alkyl sulfosuccinates; dialkyl sulfosuccinates; C8-C20 acyl isethionates; C8-C20 alkyl ether phosphates; alkylethercarboxylate; and combinations of these, and wherein the composition comprises a gel cream architecture. ### Claim 14 (depends on 13) The cosmetic composition according to claim 13, wherein the composition is essentially free or devoid of emulsifiers selected from the group consisting of: sorbitan; polyoxyethylene sorbitan; PEG-100 Stearate; PEG-20 Stearate; Sucrose Stearate; Glyceryl Stearate; Disodium Ethylene Dicocamide PEG-15 Disulfate; Sodium Steroyl Glutamate; Steareth-100; Acrylates/C10-30 Alkyl Acrylate Crosspolymer; and combinations of these. ### Claim 15 A cosmetic composition comprising: a) a water phase, comprising the following, each present by weight based on the weight of the composition; i. a hydroxy acid system comprising alpha hydroxy acid present from about 6% to more than about 20%; ii. a primary low pH, high electrolyte compatible thickener comprising Hydroxyethyl Acrylate/Sodium Acrrloyldimethyl Taurate Copolymer present from about 0.5% to about 5%; iii. at least one secondary low pH, high electrolyte compatible thickener, each of the at least one secondary thickener present from about 0.5% to about 8%; and iv. water present from about 55% to about 80% by weight based on the weight of the composition, and b) an oil phase, comprising: i. one or a combination of emollient oils; wherein the composition has a pH in the range from about 1 to about 5.0 and is essentially free of emulsifiers selected from: surfactants with a C10-C20 fatty alcohol or acid hydrophobe condensed with from about 2 to about 100 moles of ethylene oxide or propylene oxide per mole of hydrophobe; C2-C10 alkyl phenols condensed with from 2 to 20 moles of alkylene oxide; mono- and di-fatty acid esters of ethylene glycol; fatty acid monoglyceride; mono- and di-C8-C20 fatty acids; alkyl polyglycosides; saccharide fatty amides; methyl gluconamides; alkyl ether sulfates; ad alkyl ether sulfonates; alkyl sulfates; alkyl sulfonates; alkylbenzene sulfonates; alkyl sulfosuccinates; dialkyl sulfosuccinates; C8-C20 acyl isethionates; C8-C20 alkyl ether phosphates; alkylethercarboxylate; and combinations of these, and wherein the composition comprises a gel cream architecture. ### Claim 16 (depends on 15) The cosmetic composition according to claim 15, wherein the composition is essentially free or devoid of emulsifiers selected from: surfactants with a C10-C20 fatty alcohol or acid hydrophobe condensed with from about 2 to about 100 moles of ethylene oxide or propylene oxide per mole of hydrophobe; C2-C10 alkyl phenols condensed with from 2 to 20 moles of alkylene oxide; mono- and di-fatty acid esters of ethylene glycol and combinations of these. ### Claim 17 (depends on 15) The cosmetic composition according to claim 15, wherein the primary low pH, high electrolyte compatible thickener is present from about 0.625% to about 2.5%, and wherein each of the at least one secondary low pH, high electrolyte compatible thickener is present from about 0.5% to about 2%, each present by weight based on the total weight of the composition. ### Claim 18 (depends on 15) The cosmetic composition according to claim 15, wherein the one or a combination of emollient oils is present from about 5% to more than about 20% by weight based on the weight of the composition. ### Claim 19 (depends on 15) The cosmetic composition according to claim 15, wherein the composition is essentially free or devoid of emulsifiers selected from: surfactants with a C10-C20 fatty alcohol or acid hydrophobe condensed with from about 2 to about 100 moles of ethylene oxide or propylene oxide per mole of hydrophobe; C2-C10 alkyl phenols condensed with from 2 to 20 moles of alkylene oxide; mono- and di-fatty acid esters of ethylene glycol and combinations of these. ### Claim 20 (depends on 15) The cosmetic composition according to claim 15, wherein the composition is essentially free or devoid of emulsifiers selected from the group consisting of: sorbitan; polyoxyethylene sorbitan; PEG-100 Stearate; PEG-20 Stearate; Sucrose Stearate; Glyceryl Stearate; Disodium Ethylene Dicocamide PEG-15 Disulfate; Sodium Steroyl Glutamate; Steareth-100; Acrylates/C10-30 Alkyl Acrylate Crosspolymer; and combinations of these.