Artificial tanning compositions containing positively charged pa

Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations

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424 60, 424 63, 4241951, 424450, 514167, 514251, 514458, 514474, 514725, 514847, 514938, A61K 742, A61K 744, A61K 748, A61K 910

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active

052291049

ABSTRACT:
The present invention relates to oil-in-water emulsion compositions useful for imparting an artificial tan to human skin. These emulsions contain paucilamellar lipid vesicles, i.e. vesicles comprising several concentric lipid bilayers, encapsulating an aqueous dihydroxyacetone solution. The vesicles comprise a polyoxyalkylene alkyl ether, a sterol, a quaternary ammonium compound, and optionally, a non-surface active oil. In further embodiments, these emulsion compositions contain one or more sunscreens, and are also useful for protecting human skin from the harmful effects of sunlight and other sources of ultraviolet radiation. The present invention also relates to methods for preparing these compositions, methods for providing an artificial tan to human skin, and methods for protecting human skin from the harmful effects of ultraviolet radiation.

REFERENCES:
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Handjani-Vila, R. M. et al. "Dispersions of Lamellar Phases of Non-Ionic Lipids in Cosmetic Products", International Journal of Cosmetic Science, vol. 1, pp. 303-314 (1979) (Reference 30).
CA98(16):132150g, Oct. 1, 1982, Spain.
CA72(20):103635b, Mar. 15, 1969, Czechoslovakia.
Carton Copy, "Effet Du Soleil: Self-Tanning Moisture Care with Non-Ionic Microspheres For the Face", Lancome, New York, NY (believed to have been first marketed in the United States in 1990) (Reference 31).

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