Stabilization of ascorbic acid, ascorbic acid derivatives and/or

Details Stabilization of ascorbic acid, ascorbic acid derivatives and/or Stabilization of ascorbic acid, ascorbic acid derivatives and/or

1997-02-06

1998-12-01

MacMillan, Keith D.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424401, 424456, 514474, 514844, A61K 3332

Patent

active

058434119

ABSTRACT:
A stable composition is provided to treat and/or prevent photo-aged skin and related skin disorders such as sunburn, wrinkles, poor skin tone and skin discoloration by topically applying to the skin the treatment composition containing an effective amount of a compound such as ascorbic acid, derivatives of ascorbic acid and/or extracts containing ascorbic acid, in a pharmaceutically acceptable vehicle containing a substantially anhydrous base having no water added. The anhydrous base stabilizes the compound, so that the compound remains effective for an effective period of time, even in the presence of exposure to water.

REFERENCES:
patent: 4938969 (1990-07-01), Schinitsky et al.
patent: 5140043 (1992-08-01), Darr et al.
patent: 5587149 (1996-12-01), Punto et al.

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