Method of skin care using lipoic and ascorbic acids

Details Method of skin care using lipoic and ascorbic acids Method of skin care using lipoic and ascorbic acids

2004-06-21

2008-10-21

Richter, Johann (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

C514S458000, C514S474000

Reexamination Certificate

active

07438896

ABSTRACT:
Methods for the prevention of skin damage arising from exposure to ultraviolet or solar radiation, using lipoic acid and asorbic acid and/or ascorbic acid derivative in a dermatologically acceptable carrier that can be topically applied to the skin areas. Tocotrienol and/or an α-hydroxy acid such as glycolic acid is applied with the lipoic acid and ascorbic acid an/or its derivatives in some embodiments.

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Lester Packer, Eric H. Witt and Hans Jürgen Tritschler, Alpha-Lipoic Acid As A Biological Antioxidant, Dec. 20, 1994, pp. 227-250.
Nobuya Haramaki, Derick Han, Garry J. Handelman, Hans J. Tritschler and Lester Packer, Cytosolic And Mitochondrial Systems for NADH and NADPH-Dependent Reduction of a Lipoic Acid, Jul. 11, 1996, pp. 535-542.
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