Surfactant Mixtures for Improving the Deposition of Active Substances and for Reducing the Skin Irritant Action
First Claim
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1. A cosmetic and/or pharmaceutical rinse-off formulation comprising:
- 2% by weight to 20% by weight of a phase A;
0.1% by weight to 50% by weight of an active substance;
a detergent;
the remainder being water;
said phase A being a mixture of 20% by weight to 90% by weight of a surfactant mixture of isethionates, acyl lactylates and one of alkyl glutamates and alkyl glucosides and 10% by weight to 80% by weight of water, alcohol, polyol or mixtures thereof;
said phase A forming multilamellar vesicles; and
wherein the cosmetic and/or pharmaceutical rinse-off formulation is a clear product comprising said multilamellar vesicles of said phase A, said multilamellar vesicles having an average diameter of less than 100 nm.
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Abstract
A cosmetic or pharmaceutical rinse-off formulation contains 0.2% by weight to 20% by weight of a phase A; 0.1% by weight to 50% by weight of an active substance; a detergent; and the remainder being water. The phase A is a mixture of 20% by weight to 90% by weight of a surfactant mixture of isethionates, acyl lactylates and one of alkyl glutamates and alkyl glucosides and 10% by weight to 80% by weight of water, alcohol, polyol or mixtures thereof. The phase A forms multilamellar vesicles. The cosmetic or pharmaceutical rinse-off formulation is a clear product with the multilamellar vesicles of phase A having an average diameter of less than 100 nm.
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Citations
28 Claims
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1. A cosmetic and/or pharmaceutical rinse-off formulation comprising:
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2% by weight to 20% by weight of a phase A; 0.1% by weight to 50% by weight of an active substance; a detergent; the remainder being water; said phase A being a mixture of 20% by weight to 90% by weight of a surfactant mixture of isethionates, acyl lactylates and one of alkyl glutamates and alkyl glucosides and 10% by weight to 80% by weight of water, alcohol, polyol or mixtures thereof; said phase A forming multilamellar vesicles; and wherein the cosmetic and/or pharmaceutical rinse-off formulation is a clear product comprising said multilamellar vesicles of said phase A, said multilamellar vesicles having an average diameter of less than 100 nm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification