Use of DHEA or precursors or metabolic derivatives thereof...

Details Use of DHEA or precursors or metabolic derivatives thereof... Use of DHEA or precursors or metabolic derivatives thereof...

2008-04-01

2008-04-01

Wang, Shengjun (Department: 1617)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

C514S169000, C514S177000, C514S182000, C424S401000, C424S059000

Reexamination Certificate

active

07351699

ABSTRACT:
The use of DHEA or at least one of its biological precursors or of its metabolic derivatives in or for the manufacture of a composition for topical application to the skin, as a pigmentation regulator for the skin or its superficial growths, especially as a depigmenting and/or bleaching agent for the skin, in particular in the treatment of pigmentation marks, and as a pro-pigmenting agent for superficial body growths.

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