Back to results
US 5,472,698 AGranted
Composition for enhancing lipid production in skin
AssigneeElizabeth Arden Co., Division of Conopco, Inc.
InventorsAnthony V. Rawlings, Kelly H. Zhang, Richard Kosturko
Life of this patent
Estimating the term…
Abstract
Skin treatment compositions for the enhancement of lipid production in the skin. Compositions contain a thiol, or an S-ester, in combination with L-serine or N-acetyl-L-serine.
Claims10
A skin treatment composition for enhancing ceramide production in keratinocytes consisting essentially of:
- (i) from about 0.0001% to about 50% of an ingredient selected from the group consisting of L-serine, N-acetyl-L-serine and mixtures thereof;
- (ii) from about 0.0001% to about 50% of an ingredient selected from the group consisting of N-acetyl-cysteine, .alpha.-lipoic acid and mixtures thereof;
- and
- (iii) a cosmetically acceptable vehicle.
1 more element
A method of enhancing the production of ceramide in keratinocytes, the method comprising applying topically to the skin the composition comprising:
- (i) from about 0.0001% to about 50% of an ingredient selected from the group consisting of L-serine, N-acetyl-L-serine and mixtures thereof;
- (ii) from about 0.0001% to about 50% of an ingredient selected from the group consisting of N-acetyl-cysteine, .alpha.-lipoic acid, S-lactoyl-glutathione and mixtures thereof;
- and
- (iii) a cosmetically acceptable vehicle.
1 more element
Dependencies are inferred from the claim text.