Antiperspirant and deodorant compositions containing...

A - Human Necessities – 61 – K

Patent

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A61K 31/74 (2006.01)

Patent

CA 2370786

Disclosed are antiperspirant and deodorant compositions having improved stability, low residue performance and/or improved cosmetics. These compositions comprise select concentrations of cyclohexasiloxane as a volatile silicone material, from about 0.1 % to about 50 % by weight of an antiperspirant active, and from about 0.1 % to about 50 % by weight of a suspending agent, wherein the compositions are preferably substantially free of cyclotetrasiloxane. The selection of cyclohexasiloxane over other volatile silicone materials provides improved low residue performance, and especially when formulated as an aqueous emulsion it provides improved product stability in the form of extended duration of time within which the emulsion remains cleary or nearly so.

L'invention concerne des compositions antisudorifiques et désodorisantes contenant un cyclohexasiloxane et faisant preuve d'une stabilité améliorée, d'une réduction des résidus et/ou contribuant à l'amélioration des produits de beauté. Ces compositions renferment des concentrations sélectionnées de cyclohexasiloxane comme matière de silicone volatil renfermant entre environ 0,1 % et environ 50 % en poids d'un principe actif antisudorifique et entre environ 0,1 % et environ 50 % en poids d'un agent de suspension. Ces compositions sont de préférence pratiquement exemptes de cyclotetrasiloxane. La sélection de cyclohexasiloxane parmi d'autres matières de silicone volatil assure la réduction des résidus et, particulièrement lors de la formulation comme émulsion aqueuse, elle assure une stabilité du produit améliorée qui se traduit par un prolongement de la durée pendant laquelle l'émulsion reste limpide ou presque.

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