Clear antiperspirant stick containing dibenzylidene alditol and

Details Clear antiperspirant stick containing dibenzylidene alditol and Clear antiperspirant stick containing dibenzylidene alditol and

1996-02-06

1998-03-10

Schofer, Joseph L.

Drug, bio-affecting and body treating compositions

Anti-perspirants or perspiration deodorants

424 66, 424 67, 424 68, 424401, A61K 732, A61K 734, A61K 736, A61K 738

Patent

active

057258465

ABSTRACT:
A clear gel cosmetic stick includes a liquid vehicle, a dibenzylidene alditol as a gelling agent, an antiperspirant salt dissolved in the liquid vehicle, and a hydroxyalkyl cellulose co-gellant. The cosmetic stick comprises in percent by weight about 70% to about 95%, preferably 75 to 92%, of a liquid vehicle comprising a polyhydric alcohol having from 3 to 6 carbon atoms and from 2 to 6 hydroxyl groups, about 0.5% to about 1.5%, preferably 0.7% to 1.3%, of a dibenzylidene alditol, about 3% to about 22%, preferably 6% to 15%, of an antiperspirant salt dissolved in said vehicle, and about 0.1% to about 0.5%, preferably 0.2% to 0.4%, of a hydroxyalkyl cellulose. Preferably the liquid vehicle is substantially free of monohydric alcohol and is also substantially free of strong alkali such as NaOH and KOH. Preferably the cosmetic stick will have a pH greater than 4.4, more preferably greater than 4.7, a turbidity of less than about 120 NTU, more preferably less than 100 NTU, and a hardness of about 60 to 150. By lowering the dibenzylidene alditol level to 1.5% or lower, the clarity and odor characteristics of the stick are greatly improved. The hardness of the stick is maintained by the addition of the hydroxyalkyl cellulose.

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