Use of DHEA derivatives on keratinous substances

Details Use of DHEA derivatives on keratinous substances Use of DHEA derivatives on keratinous substances

2005-11-15

2005-11-15

Badio, Barbara P. (Department: 1616)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

C514S182000

Reexamination Certificate

active

06964954

ABSTRACT:
Methods of improving the appearance of keratinous substances using at least one DHEA derivative such as the skin, hair, eyelashes and/or nails, in particular for preventing or treating cutaneous signs of ageing and/or a faded complexion and/or disorders of pigmentation of the skin or hair and/or drying of the skin and/or hyperseborrhoea and/or imperfections relating to hyperseborrhoea and/or sensitive skin and/or dandruff and/or hair loss and/or canities.

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patent: 5843932 (1998-12-01), Labrie
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patent: WO 98/40074 (1998-09-01), None
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patent: WO 01/23405 (2001-04-01), None
patent: WO 03/035023 (2003-05-01), None
Ergosteroids II: Biologically active metabolites and synthetic derivatives of dehydroepiandrosterone,Steroids, 1998, vol. 63, Mar.

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