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US 2007/0178058 A1Published application
Methods of using stable ascorbic acid compositions
OwnerJose E. Ramirez, Joseph Faryniarzinventors
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Abstract
Excellent percutaneous absorption of vitamin C is achieved by pre-treating skin with a cationic constituent such as cationic salt or solution thereof prior to application of a vitamin C composition.
Claims12
A method comprising:
- pre-treating an area of a user's skin by topically applying a composition comprising a cationic constituent;
- and
- topically applying a composition comprising Vitamin C to the pretreated area.
A method comprising:
- pre-treating an area of a user's skin by topically applying a composition comprising a cationic constituent selected from the group consisting of cationic salts, positively charged amino acids, quaternary ammonium salts, cationic polymers, and combinations thereof;
- and
- topically applying a composition comprising a vitamin C composition to the pretreated area.
Dependencies are inferred from the claim text.