Method and composition for treating and preventing dry skin disorders
AssigneeGenDerm Corporation
InventorJoel E. Bernstein
Life of this patent
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Abstract
A method and composition for treating and preventing dry skin includes a lipid concentrate blended from a combination of the three naturally-occurring lipid groups found in the stratum corneum. The concentrate may be applied topically as prepared, or may be blended with a therapeutically acceptable vehicle suitable for topical application.
Claims17
A method of preventing or treating dry skin for one in need thereof, said method comprising applying topically to said skin a composition comprising a concentrate of naturally occurring stratum corneum lipids, said concentrate comprising:
- (a) a mixture of naturally occurring stratum corneum free fatty acids or triglyceride forms of said fatty acid mixtures in a proportion of about 25% to about 75% by weight of concentrate;
- (b) naturally occurring stratum corneum cholesterol or esters of said cholesterol in a proportion of about 10% to about 40% by weight of concentrate;
- and
- (c) One or more naturally occurring stratum corneum lipids selected from the group consisting of ceramide, lecithin and cephalin in a proportion of about 5% to about 40% by weight of concentrate.
A lipid concentrate, said concentrate comprising at least one constituent from each of the following groups:
- (a) a mixture of naturally-occurring stratum corneum free fatty acids or triglyceride forms of said fatty acids being present in a proportion of about 25% to about 75% by weight of concentrate;
- (b) naturally occurring stratum corneum cholesterol or esters of said cholesterol, said cholesterol or esters thereof being present in a proportion of about 10% to about 40% by weight of concentrate;
- and
- (c) naturally occurring stratum corneum lipids being selected from the group consisting of ceramide, lecithin and cephalin and present in a proportion from about 5% to about 40% by weight of concentrate.
Dependencies are inferred from the claim text.