Antiperspirant composition

Details Antiperspirant composition Antiperspirant composition

A - Human Necessities

61

K

167/312

A61K 9/12 (2006.01) A61K 7/32 (1985.01) A61K 7/34 (1985.01) A61K 7/38 (1985.01)

Patent

CA 1269045

ANTIPERSPIRANT COMPOSITION Abstract of the Disclosure A composition of zirconyl hydroxy chloride and aluminum chlorhydroxide in stable solid form having improved antiperspirant efficacy when dissolved in water is made by heating a 2-20% by weight aqueous solution containing at least the aluminum chlorhydroxide component of the composition at a temperature of at least 50°C until the ratio of the height of peak 4 at Kds=0.7 to that of peak 3 at Rd=0.5 as measured by gel permeation chromatography on cross-linked dextran is at least 2:1, then subjecting the solution to rapid drying to solid form.

503355

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