Coacervate cleansing composition comprising a betaine/glycolipid surfactant system
The disclosure relates to compositions comprising (a) at least one amphoteric surfactant, (b) at least one glycolipid, (c) at least one cationic polymer from about 0.05% to about 2%; and (d) at least one cosmetically acceptable solvent wherein the cleansing system is essentially free of phenoxyethanol, and wherein the pH of the composition is between 4 and 8, and wherein the ratio of a to b is from about 0.4 to about 4, and wherein the total concentration of a and b combined is about 10 to about 20% of the total weight of the composition. The compositions can be used as rinse-off compositions for cleansing skin.
1 . A coacervate cleansing system, comprising a composition comprising:
(a) at least one amphoteric surfactant including cocamidopropyl hydroxysultaine;
(b) at least one glycolipid;
(c) at least one cationic polymer from about 0.05% to about 0.2%, by weight, and chosen from chitosan, polylysine, or a mixture thereof, and
(d) at least one cosmetically acceptable solvent;
wherein the cleansing system is essentially free of phenoxyethanol,
wherein the pH of the composition is between 4 and 8,
wherein the weight ratio of the at least one amphoteric surfactant to the at least one glycolipid is from about 0.4 to about 4, and
wherein the total concentration of the at least one amphoteric surfactant and the at least one glycolipid combined is about 9 to about 20% of the total weight of the composition.
2 . The system of claim 1 , wherein the at least one amphoteric surfactant further includes at least one of cocamidopropyl betaine, coco betaine, sodium lauroamphoacetate, disodium cocoamphodiacetate or a mixture thereof.
3 . The system of claim 1 , wherein the at least one glycolipid is chosen from rhamnolipids, sophorolipids, glucolipids, trehalolipids, cellobiose lipids, mannosylerythritol lipid, or a mixture thereof.
4 . The system of claim 1 , the composition further comprising at least one additional cosmetic ingredient.
5 . The system of claim 2 , wherein the amphoteric surfactant includes a combination of the cocamidopropyl hydroxysultaine and the coco-betaine.
6 . The system of claim 3 , wherein the at least one glycolipid is chosen from sophorolipids, rhamnolipids, or a mixture thereof.
7 . The system of claim 2 , wherein the concentration of amphoteric surfactant is from about 3% to about 8%.
8 . The system of claim 3 , wherein the concentration of glycolipid is from about 2% to about 7%.
9 . The system of claim 1 , wherein the concentration of cationic polymer is from about 0.1 to about 0.2%.
10 . The system of claim 1 , wherein the pH is from 4.5-7.5.
11 . A coacervate cleansing system comprising a composition comprising:
(a) at least one amphoteric surfactant selected from the group consisting of cocamidopropyl hydroxysultaine and coco betaine from about 3% to about 8% by weight, relative to the total weight of the composition;
(b) at least one glycolipid selected from the group consisting of rhamnolipid and sophorolipid from about 2% to about 7% by weight, relative to the total weight of the composition;
(c) at least one cationic polymer selected from the group consisting of chitosan and polylysine from about 0.1% to about 0.2%; and
(d) water; wherein:
i) the composition is an aqueous composition;
ii) the composition is free of polyquaternium cationic polymers;
iii) the cleansing system is essentially free of phenoxyethanol;
iv) the pH of the composition is between 4 and 8;
v) the weight ratio of the at least one amphoteric surfactant to the at least one glycolipid is from about 0.4 to about 4; and
vi) the total concentration of the at least one amphoteric surfactant and the at least one glycolipid combined is about 9% to about 20% of the total weight of the composition.
12 . A method for cleansing skin comprising applying to the skin of a subject a coacervate cleansing system comprising a composition comprising:
(a) at least one amphoteric surfactant selected from the group consisting of cocamidopropyl hydroxysultaine and coco betaine from about 3% to about 8% by weight, relative to the total weight of the composition;
(b) at least one glycolipid selected from the group consisting of rhamnolipid and sophorolipid from about 2% to about 7% by weight, relative to the total weight of the composition;
(c) at least one cationic polymer selected from the group consisting of chitosan and polylysine from about 0.1% to about 0.2%; and
(d) at least one cosmetically acceptable solvent, including water; wherein:
i) the composition is an aqueous composition;
ii) the composition is free of polyquaternium cationic polymers;
iii) the cleansing system is essentially free of phenoxyethanol;
iv) the pH of the composition is between 4 and 8;
v) the weight ratio of the at least one amphoteric surfactant to the at least one glycolipid is from about 0.4 to about 4; and
vi) the total concentration of the at least one amphoteric surfactant and the at least one glycolipid combined is about 9% to about 20% of the total weight of the composition.
13 . The method of claim 12 , wherein the composition is rinsed off the skin.
14 . The system of claim 1 , wherein the weight ratio of the at least one amphoteric surfactant to the at least one glycolipid is from about 0.4 to 3.
15 . The system of claim 11 , wherein the weight ratio of the at least one amphoteric surfactant to the at least one glycolipid is from about 0.4 to 3.
16 . The method of claim 12 , wherein the weight ratio of the at least one amphoteric surfactant to the at least one glycolipid is from about 0.4 to 3.