Depigmenting cosmetic or dermatologic composition containing a b

Details Depigmenting cosmetic or dermatologic composition containing a b Depigmenting cosmetic or dermatologic composition containing a b

1992-07-16

1998-03-24

Gardner-Lane, Sally

Drug, bio-affecting and body treating compositions

Bleach for live hair or skin

424401, A61K 748, A61K 700

Patent

active

057309620

ABSTRACT:
A depigmenting cosmetic or dermatologic composition for use in bleaching the skin or treating pigmental spots contains in a vehicle suitable for topical application to the skin a benzofuran derivative having the formula ##STR1## wherein the OH function occupies position 5 or 6,
R.sub.1 and R.sub.2, each independently, represent hydrogen or alkyl having 1-4 carbon atoms,
n is 0 or 1,
when n is 0, the C.sub.2 -C.sub.3 bond is a double bond, and
when n is 1, the C.sub.2 -C.sub.3 bond is a single bond.

REFERENCES:
patent: 2320746 (1943-06-01), Paul
patent: 4098882 (1978-07-01), Lang
patent: 4639536 (1987-01-01), Fellows
patent: 4857516 (1989-08-01), Terao
patent: 4966907 (1990-10-01), Caldwell
patent: 5043354 (1991-08-01), Tsujii

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