Drug – bio-affecting and body treating compositions – Anti-perspirants or perspiration deodorants – Zirconium compound containing
Patent
1996-12-20
1998-04-28
Spivack, Phyllis G.
Drug, bio-affecting and body treating compositions
Anti-perspirants or perspiration deodorants
Zirconium compound containing
424 67, 424 68, 424724, 424DIG5, 514944, A61K 732, A61K 734, A61K 736, A61K 738
Patent
active
057441308
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, amides and esters of N-acyl amino acid, or combinations thereof; an anhydrous liquid carrier that is substantially free of polar, water-immiscible, organic solvents, wherein 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 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
Orr Thomas Vincent
Dabbiere David K.
Spivack Phyllis G.
Suter David L.
The Procter & Gamble & Company
Winter William J.
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