Low residue antiperspirant stick composition

Details Low residue antiperspirant stick composition Low residue antiperspirant stick composition

A - Human Necessities

61

K

A61K 8/891 (2006.01) A61K 8/26 (2006.01) A61K 8/28 (2006.01) A61K 8/41 (2006.01) A61K 8/89 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2248805

Disclosed are antiperspirant stick compositions that exhibit substantially no visible residue (whitening) upon application to the skin or after drying. The compositions include both emollients that are silicone materials and emollients that are not silicone materials, these materials having a refractive index of at least 1.4460, in addition to including a vehicle (for example, cyclomethicone), a gelling agent (for example, stearyl alcohol and hydrogenated castor oil) and the active antiperspirant material (for example, particulate antiperspirant metal salts). These compositions reduce the necessity of using expensive silicone materials, while still achieving antiperspirant compositions with substantially no visible residue.

Cette invention se rapporte à des compositions de bâtons antisudoraux qui ne laissent pour ainsi dire aucun résidue visible (blanc) lors de leur application sur la peau ou après séchage. Ces compositions renferment à la fois des émollients qui sont à base de silicone et des émollients qui ne sont pas à base de silicone, ces émollients ayant un indice de réfraction d'au moins 1,4460, en plus de contenir un excipient (par exemple de la cyclométhicone), un agent gélifiant (par exemple de l'alcool stéarylique et de l'huile de ricin hydrogénée), ainsi que la substance antisudorale active (par exemple des sels de métaux antisudoraux particulaires). Ces compositions réduisent la nécessité d'utiliser des substances à base de silicone coûteuses, tout en formant des compositions antisudorales ne laissant pour ainsi dire aucun résidu visible.

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