Aerosol antiperspirant composition, including substantivity...

Details Aerosol antiperspirant composition, including substantivity... Aerosol antiperspirant composition, including substantivity...

A - Human Necessities

61

K

167/311, 222/43

A61K 7/32 (1990.01)

Patent

CA 1334171

Disclosed is an aerosol antiperspirant composition containing a silicone polymer (e.g., a silicone gum) and a volatile low-viscosity fluid in which the silicone polymer is soluble, in addition to at least a propellant and an active antiperspirant salt. The silicone polymer is in the composition in an amount of at least 0.1% by weight based on the total weight of the composition, and is completely dissolved in the composition. Use of the silicone polymer and the volatile low-viscosity fluid, with the polymer completely dissolved in the composition, avoids dustiness and clogging of the aerosol valve, and permits delivery of the composition at relatively low delivery rates. Where the silicone polymer and volatile low-viscosity fluid are provided as a substantivity fluid, product bounce-back upon spraying is further reduced, product deposition is increased, and the deposited product has greater resistance to washing-off and rubbing-off. By delivering the composition from the aerosol package at low delivery rates, product bounce-off is even further reduced, thereby further reducing dusting.

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