Skin care composition

Drug – bio-affecting and body treating compositions – Topical body preparation containing solid synthetic organic... – Skin cosmetic coating

Reexamination Certificate

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C424S400000, C424S401000

Reexamination Certificate

active

07396526

ABSTRACT:
There are provided compositions which include a retinoid and preferably retinal; a dermatologically active acid; and a volatile base, such as ammonium hydroxide. Another embodiment of the invention includes compositions comprising a retinoid and preferably retinal; a dermatologically active acid; a volatile base; and a second neutralizing agent. There are also provided compositions which include a retinoid, a neutralized ammonium salt of a dermatologically active acid, and optionally a neutralized salt, other than ammonium salt, of an acid. Further provided are methods for reducing fine lines, wrinkles, skin roughness, and pore size and for increasing the clarity of a skin surface, cellular turnover, skin radiance, skin smoothness, skin permeation or collagen synthesis in a mammal in need thereof. Compositions as described above are administered topically to the skin of the animal.

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