Antiperspirant stick with improved characteristics

Details Antiperspirant stick with improved characteristics Antiperspirant stick with improved characteristics

A - Human Necessities

61

K

A61K 8/28 (2006.01) A61K 8/26 (2006.01) A61K 8/34 (2006.01) A61K 8/37 (2006.01) A61K 8/41 (2006.01) A61K 8/89 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2285340

Disclosed are antiperspirant stick compositions that exhibit substantially less visible residue (whitening) upon application to the skin or after drying and which exhibit improved aesthetics and superior cosmetic properties. The compositions include (a) non-volatile emollients that are not silicone materials and which have (individually or as a mixture) a refractive index of at least 1.4460, and which have adsorption and desorption properties relative to the antiperspirant material sufficient to achieve the desired reduction in residue (whiteness); (b) a vehicle (for example, cyclomethicone), (c) a gelling agent (for example, stearyl alcohol and hydrogenated castor oil); (d) at least one active antiperspirant material (for example, particulate antiperspirant metal salts); and (e) a surfactant.

L'invention porte sur des compositions se présentant sous forme d'un bâton antisudorifique qui laisse moins de traces visibles (blanchiment) lorsqu'on les applique sur la peau et dont on a amélioré la présentation et les propriétés cosmétiques. Ces compositions comprennent (a) des agents émollients non volatils qui ne sont pas des substances à base de silicone et qui ont (individuellement ou mélangées) un indice de réfraction d'au moins 1.4460, et qui possèdent, par rapport à la substance antisudorifique, des propriétés d'adsorption et de désorption suffisantes qui permettent l'élimination des traces (blanchiment); (b) un excipient (tel que cyclométhicone), (c) un agent gélifiant (tel que l'alcool stéarylique et l'huile de ricin hydrogénée); (d) au moins une substance antisudorifique active (telle que des sels métalliques antisudorifiques spécifiques); et (e) un tensioactif.

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