Antiperspirant stick composition

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/891 (2006.01) A61K 8/28 (2006.01) A61K 8/892 (2006.01) A61K 8/92 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2749372

The present invention relates to an antiperspirant cosmetic composition for topical application to the skin comprising an effective amount of at least one antiperspirant active material, at least one gelling agent, at least one wax and at least one solvent for the at least one antiperspirant active material, wherein the at least one gelling agent is obtainable by the in-situ reaction of a siloxane polymer with at least two hydroxy-functionalized terminal groups or hydroxy-functionalized side chains and a polyol with at least two hydroxyl groups, a hydrosiloxane with at least two Si-H units and a catalyst.

La présente invention concerne une composition cosmétique antitranspiration pour application topique sur la peau comprenant une quantité suffisante d'au moins une matière agissant comme antitranspirant, au moins un gélifiant, au moins une cire, et au moins un solvant convenant à ladite matière agissant comme antitranspirant. En l'occurrence, le gélifiant s'obtient par réaction in-situ entre, d'une part un polymère de siloxane portant au moins deux groupes terminaux fonctionnalisés hydroxy ou des chaînes latérales fonctionnalisées hydroxy, et d'autre part un polyol portant au moins deux groupes hydroxyle, un hydrosiloxane portant au moins deux unités Si-H; et un catalyseur.

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