Concordantly uv-photoprotecting and artificial tanning...

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/35 (2006.01) A61K 8/04 (2006.01) A61K 8/29 (2006.01) A61K 8/37 (2006.01) A61K 8/40 (2006.01) A61K 8/91 (2006.01) A61P 17/16 (2006.01) A61Q 17/04 (2006.01) A61Q 19/04 (2006.01)

Patent

CA 2424783

Topically applicable cosmetic/dermatological compositions well suited for both effective and typically SPF-enhanced photoprotection and artificial tanning of human skin and/or scalp, advantageously packaged as spray delivery systems, contain: (i) a UV-photoprotecting effective amount of a UV-photoprotecting agent, (ii) an artificial tanning effective amount of an artificial tanning agent, and (iii) a compatibilizing and typically SPF-enhancing amount of a silicone/acrylate graft copolymer which comprises an acrylic backbone having pendant organosiloxane branches depending therefrom, in particular poly(isobutyl methacrylate-co-methyl FOSEA)-g-poly(dimethylsiloxane) or a terpolymer of isobutyl methacrylate, acrylic acid and a methacryloxypropyl/butyldimethyl silyl macromer.

L'invention concerne des compositions cosmétiques/dermatologiques pour application locale assurant à la fois une photoprotection efficace et généralement renforcée par indice FPS élevé, et un bronzage artificiel de la peau et/ou du cuir chevelu. Ces compositions, qui se présentent avantageusement sous la forme de systèmes de vaporisateurs, contiennent : (i) une quantité efficace photoprotectrice contre les UV d'un agent photoprotecteur contre les UV, (ii) une quantité permettant un bronzage artificiel d'un agent de bronzage artificiel, et (iii) une quantité assurant la compatibilité et permettant généralement d'accroître l'indice FPS d'un copolymère greffé de silicone/acrylate, qui comporte un squelette acrylique doté de branches latérales organosiloxane, telles que le poly(cométhyl-méthacrylate d'isobutyle FOSEA)-g-poly(diméthylsiloxane) ou un terpolymère de méthacrylate d'isobutyle, d'acide acrylique et d'un macromère silyle de méthacryloxypropyle/butyldiméthyle.

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