Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...
Patent
1997-10-24
1999-08-17
Cook, Rebecca
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Radical -xh acid, or anhydride, acid halide or salt thereof...
514568, 514844, 514873, A61K 748
Patent
active
059394579
ABSTRACT:
A method for reducing signs of aging in human skin. The method includes the steps of (a) topically applying to the skin a hydroxy acid product having at most a hydroxy acid concentration of approximately 7.0% and having a pH range of between 3 and 4 which causes an increase in exfoliation of the skin; (b) topically applying to the skin a non-hydroxy acid product; (c) repeating steps (a) and (b) at least twice daily for approximately four weeks; and (d) repeating only step (b) at least twice daily for approximately another 4 weeks.
REFERENCES:
patent: 5422370 (1995-06-01), Yu et al.
patent: 5547988 (1996-08-01), Yu et al.
patent: 5573759 (1996-11-01), Blank
patent: 5616332 (1997-04-01), Herstein
Cook Rebecca
Nu Skin International, Inc.
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