Photoprotective/cosmetic compositions comprising benzotriazole-s

Details Photoprotective/cosmetic compositions comprising benzotriazole-s Photoprotective/cosmetic compositions comprising benzotriazole-s

1996-12-03

1998-02-03

Marquis, Melvyn I.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 709, 424 7012, 424 70122, 424 7803, A61K 742

Patent

active

057141347

ABSTRACT:
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel benzotriazole-substituted polyorganosiloxane/polyorganosilane having one of the formulae (1) to (3): ##STR1## wherein A is a monovalent benzotriazole radical which comprises an acrylate or acrylamide functional group, which is bonded directly to a silicon atom, and which has the formula (4): ##STR2##

REFERENCES:
patent: 5089250 (1992-02-01), Forestier et al.
patent: 5164462 (1992-11-01), Yang
patent: 5569451 (1996-10-01), Richard et al.
patent: 5587151 (1996-12-01), Richard et al.

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