Use of L 2-thiohistidine or one of its derivatives as a...

Details Use of L 2-thiohistidine or one of its derivatives as a... Use of L 2-thiohistidine or one of its derivatives as a...

2011-05-03

2011-05-03

Schnizer, Richard (Department: 1617)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C514S400000

Reexamination Certificate

active

07935359

ABSTRACT:
The invention relates to the use of L-2-thiohistidine, or a cosmetically acceptable salt or ester of its acid group, as a depigmenting agent in a cosmetic composition or for the preparation of a cosmetic composition. It further relates to a method of cosmetic care for toning down or eliminating pigment spots on the skin and/or lightening the complexion by the application of this cosmetic composition. The invention provides a highly depigmenting composition.

REFERENCES:
patent: 5438151 (1995-08-01), Yadan et al.
patent: 6056965 (2000-05-01), Yadan et al.
patent: 2003/0095959 (2003-05-01), Mayne
patent: 0 483 426 (1992-05-01), None
patent: 2 867 384 (2005-09-01), None
patent: 1973-044442 (1973-06-01), None
patent: 56-147704 (1981-11-01), None
patent: WO 95/34280 (1995-12-01), None
patent: WO 2006/124992 (2006-11-01), None

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