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US 2003/0152656 A1Published application
Olive leaf extraction method and formulations containing olive leaf extract
AssigneeSkinceuticals, Inc.
InventorsSheldon R. Pinnell, Mostafa M. Omar
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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.
Claims28
A method of extraction of olive leaves, comprising:
- a) treating the olive leaves to inactivate enzymes in the olive leaves;
- b) continuously extracting the treated olive leaves with a non-aqueous solvent, filtering and concentrating to form a first paste;
- c) removing the non-aqueous solvent;
- d) treating in a second solvent treatment step to form a final extract, wherein said final extract contains about 6-10% oleuropein.
1 more element
A product for application to skin, comprising:
- a) at least about ½% of an olive extract;
- b) 5-25% L-ascorbic acid;
- c) ½-2% vitamin E component;
- and
- d) ½-2% vitamin A.
2 more elements
Dependencies are inferred from the claim text.