Drug – bio-affecting and body treating compositions – Anti-perspirants or perspiration deodorants
Patent
1996-12-20
1998-11-24
Dodson, Shelley A.
Drug, bio-affecting and body treating compositions
Anti-perspirants or perspiration deodorants
424 66, 424 68, 424400, 424401, 424DIG5, A61K 732, A61K 734, A61K 738, A61K 700
Patent
active
058402888
ABSTRACT:
Disclosed are anhydrous antiperspirant gel-solid sticks which comprise particulate antiperspirant active; a solid non-polymeric gellant that is substantially free of dibenzylidene alditol, inorganic thickening agents, organic polymeric gellants, n-acyl amino acid derivatives, or combinations thereof; an anhydrous liquid carrier containing polyalkylsiloxanes, polyalkyarylsiloxanes, polyestersiloxanes, polyethersiloxane copolymers, polyfluorosiloxanes, polyaminosiloxanes, or combinations thereof. The composition has a visible residue index of from about 11 to about 30 L-value, a product hardness of from about 500 to about 5,000 gram.multidot.force, a rheology profile defined by a ratio of an elastic modulus (G') to a viscous modulus (G") of from about 0.1 to about 100. The refractive indices of the particulate antiperspirant active, the solid non-polymeric gellant, and the anhydrous liquid carrier are not matched. The compositions preferably comprise crystalline gellant particles having an average particle size of less than about 1 .mu.m and/or a particle morphology having an aspect ratio of greater than about 2. These compositions provide improved low residue performance, efficacy and aesthetics.
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Guskey Gerald John
Heinrich James Merle
Orr Thomas Vincent
Schwartz James Robert
Dodson Shelley A.
Procter & Gamble Company
Rosnell Tara M.
Suter David L.
Winter William J.
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