Antiperspirant formulation for porous applicator

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/89 (2006.01) A61K 8/03 (2006.01) A61K 8/19 (2006.01) A61K 8/34 (2006.01) A61K 8/37 (2006.01) A61K 8/894 (2006.01) A61K 8/90 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2349167

The invention comprises a liquid composition which provides a drier feel and reduced leakage when used with certain types of applicators, especially an applicator having a porous surface, which composition is made by combining an active phase and a silicone phase. The active phase is made by combining: (a) 10-70% of a selected glycol; (b) 0.1-10% of a nonionic emulsifier having an HLB greater than 8; (c) 0.01-30% of a cosmetically active ingredient; and (d) 0-20% of ethanol and/or isopropanol. The silicone phase is made by combining: (a) 0.1-10% of a selected emulsifier; (b) 0-30% of a non-volatile silicone; (c) 0-30% of a volatile silicone; and (d) 0-25% of an organic emollient; provided that: (a) the silicone phase contains at least 10% silicone; (b) the ratio of silicone phase to active phase is in the range of 1:1 to 1:4; and (c) the composition is processed to maintain a viscosity in the range of 2,000- 200,000 centipoise ("cps").

L'invention concerne une composition liquide qui est plus sèche au contact avec la peau et fuit moins lorsqu'elle est utilisé avec certains types d'applicateurs, notamment un applicateur possédant une surface poreuse. On fabrique ladite composition en combinant une phase active et une phase silicone. On fabrique la phase active en combinant: (a) 10-70 % d'un glycol sélectionné; (b) 0,1-10 % d'un émulsifiant non-ionique possédant un HLB supérieur à 8; (c) 0,01-30 % d'un ingrédient actif au plan cosmétique; et (d) 0 à 20 % d'éthanol et/ou d'isopropanol. On produit la phase silicone en combinant: (a) 0,1-10 % d'un émulsifiant sélectionné; (b) 0-30 % d'une silicone non volatile; (c) 0-30 % d'une silicone volatile; et (d) 0-25 % d'un émollient organique; à condition que: (a) la phase silicone contienne au moins 10 % de silicone; (b) le rapport entre la phase silicone et la phase active soit de l'ordre de 1:1 à 1:4; et (c) que la composition soit traitée de sorte qu'une viscosité de l'ordre de 2 000-200 000 centipoise (cps) soit maintenue.

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