| abstract |
Disclosed are anhydrous antiperspirant gel-solid sticks which comprise from about 0.5 % to about 60 % by weight of antiperspirant active; from about 1 % to about 15 % by weight of a gellant; from about 1 % to about 50 % by weight of nonpolar volatile hydrocarbon solvent having a solubility parameter of less than 8 (cal/cm3)0.5, a vapor pressure of from about 0.01 mmHg to about 6 mmHg, and an average boiling point of less than about 250 °C; and from about 0.01 % to about 10 % by weight of a polar, water-miscible solvent having a solubility parameter of from 12.5 (cal/cm3)0.5 to about 25 (cal/cm3)0.5; wherein the composition has a visible residue index of from about 11 to about 30 L-value, a product hardness of from about 500 gram-force to about 5,000 gram-force, and a ratio of an elastic to viscous moduli of from about 0.1 to about 100. These compositions provide improved low residue performance, rheology, efficacy, stability and/or aesthetics from a composition having reduced raw material costs. |