Antiperspirant gel-solid stick compositions containing...

Details Antiperspirant gel-solid stick compositions containing... Antiperspirant gel-solid stick compositions containing...

A - Human Necessities

61

K

A61K 7/32 (1995.01) A61K 7/48 (1995.01)

Patent

CA 2275571

Disclosed are anhydrous antiperspirant compositions comprising from about 0.5 % to about 60 % by weight of particulate antiperspirant active; from about 1 % to about 15 % by weight of a solid non-polymeric gellant; from about 10 % to about 80 % by weight of an anhydrous liquid carrier having an average solubility parameter of from about 3 to about 13 (cal/cm3)0.5; and from about 0.0001 % to about 5.0 % by weight of a solid nucleating agent wherein the molar ratio of the solid non-polymeric gellant to the nucleating agent is from about 10:1 to about 1000:1. These antiperspirant compositions provide improved low residue performance and improved antiperspirant efficacy.

Les compositions antisudorales anhydres décrites sont formées de 0.5 % environ à 60 % environ, en poids, d'agent actif particulaire antisudoral; d'environ 1 % à environ 15 % en poids d'un gélifiant non polymère solide; d'environ 10 % à environ 80 % en poids d'un excipient liquide anhydre présentant un paramètre de solubilité moyenne d'environ 3 à 13 (cal/cm?3¿)?0.5¿; et d'environ 0.0001 % à environ 5.0 % en poids d'un agent de nucléation solide, le rapport molaire entre le gélifiant non polymère solide et l'agent de nucléation fluctuant entre 10:1 environ et 1000:1. Les compositions antisudorales, qui font l'objet de l'invention, possèdent des performances améliorées en termes de réduction résiduelle et d'efficacité antisudorale optimisée.

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