Photostable cosmetic composition containing a UV-A screen and a

Details Photostable cosmetic composition containing a UV-A screen and a Photostable cosmetic composition containing a UV-A screen and a

1995-06-07

1997-02-25

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

514685, 568304, A61K 742

Patent

active

056056800

ABSTRACT:
The invention relates to a photostable screening cosmetic composition for protecting human skin against UV rays, comprising, in a cosmetically acceptable substrate containing at least one fatty phase, 1 to 3% by weight of 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane and at least 4.5% by weight of p-methylbenzylidenecamphor, the weight ratio of p-methylbenzylidenecamphor to 4-(1,1-dimethyl-ethyl)-4'-methoxydibenzoylmethane being higher than or equal to 3.
It also relates to a process for protecting the skin against UV radiation and to a process for stabilizing 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane against UV radiation.

REFERENCES:
Checchi et al, Chem. Abs., 1987, vol. 106, 201530d.
Lang et al, Chem. Abs., 1987, vol. 106, 38240y.
Cosmetic Toiletries, 1986. vol. 101, p. 155.

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