Antiperspirant preparation

Details Antiperspirant preparation Antiperspirant preparation

A - Human Necessities

61

K

A61K 8/26 (2006.01) A61K 8/27 (2006.01) A61K 8/28 (2006.01) A61K 8/60 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2373513

The invention relates to preparations which inhibit perspiration, containing particularly fine particles of astringent aluminium, zirconium, or zinc salts with an average particle size of less than 100 µm and which are coated or impregnated with between 0.1 and 10 % by weight of a non-ionic surfactant. Said preparations are suitable for producing antiperspirants which do not contain water and which have a particularly fast-acting and intensive effect. An alkyl (oligo) glucoside is preferably used as the non-ionic surfactant and an aluminium hydroxychloride as the antiperspirant salt. A preferred embodiment provides an antiperspirant stick which contains between 10 and 60 % by weight of a non-polar support liquid and between 5 and 30 % by weight of a solidifying fat or wax component which contains a dispersion of between 10 and 25 % by weight of the antiperspirant preparation.

L'invention concerne des préparations antitranspirantes constituées de sels à particules fines, astringents d'aluminium, de zirconium et de zinc, dont la taille moyennes de particules est inférieure à 100 µm et qui sont enrobées ou imprégnées d'un tensioactif non ionique représentant 0,1-10 % en poids. Ces préparations conviennent pour la production d'antitranspirants exempts d'eau, qui présentent un effet particulièrement rapide et intensif. On utilise, de préférence, comme tensioactif non ionique, un alkyl(oligo)glucoside et, comme sel antitranspirant, un hydroxychlorure d'aluminium. Un mode de réalisation préféré se présente sous la forme d'un bâton d'antitranspirant présentant une teneur de 10-60 % en poids d'un liquide support non polaire et de 5-30 % en poids d'une cire ou d'une graisse solidifiante, qui contient 10-25 % en poids de la préparation antitranspirante.

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