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US 6,743,449 B2Granted
Topical composition comprising olive leaf extract
AssigneeSkinceuticals, Inc.
InventorsSheldon R. Pinnell, Mostafa M. Omar
Life of this patent
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Abstract
A non-aqueous method of extracting olive leaves, and products formed containing the olive-leaf extract. The resulting extract is used, preferably together with vitamins C, E and A or components thereof to form a skin treatment product that has efficacy as a photoprotectant and antioxidant.
Claims9
A product for application to skin comprising, by weight:
- a) at least about 0.5% of an extract of olive leaves obtained by steps comprising treatment of the olive leaves to inactivate enzymes therein, followed by extraction of the enzyme-inactivated olive leaves with a non-aqueous organic solvent to form an initial extract followed by purification and concentration thereof;
- b) 5-25% of L-ascorbic acid;
- c) 0.5-2% of a vitamin E component selected from the group consisting of tocopherols and tocotrienols;
- and
- d) 0.5-2% of vitamin A.
2 more elements
Dependencies are inferred from the claim text.