Stable ascorbic acid preparation for topical use

Details Stable ascorbic acid preparation for topical use Stable ascorbic acid preparation for topical use

A - Human Necessities

61

K

A61K 8/19 (2006.01) A61K 8/20 (2006.01) A61K 8/27 (2006.01) A61K 8/67 (2006.01) A61K 31/375 (2006.01) A61K 45/06 (2006.01) A61Q 19/10 (2006.01)

Patent

CA 2309195

Stable cosmetic compositions containing high levels of ascorbic acid, relatively low levels of water, varying levels of polyhydric alcohol, and organic carbonate are disclosed. The compositions may also include monohydric alcohol or hydroxyalkyl cellulose or both. The compositions are homogeneous solutions, and can be adapted to be topically applied to the skin to impart appearance benefits thereto.

L'invention concerne des compositions cosmétiques stables contenant un niveau élevé d'acide ascorbique, une quantité d'eau relativement faible, une proportion variable de polyol, et du carbonate organique. Ces compositions peuvent également renfermer de l'alcool monohydrique ou de la cellulose hydroxyalkylée, ou les deux. Par ailleurs, ces compositions se présentent sous la forme de solutions homogènes et peuvent être appliquées de manière topique sur la peau, afin de conférer à celle-ci une apparence améliorée.

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