Collagen free cosmetic preparations

Details Collagen free cosmetic preparations Collagen free cosmetic preparations

A - Human Necessities

61

K

A61K 8/73 (2006.01) A61K 8/84 (2006.01) A61Q 19/00 (2006.01) C08J 3/24 (2006.01) C08K 5/07 (2006.01) C08K 5/29 (2006.01) C08L 5/08 (2006.01)

Patent

CA 2371543

The invention relates to collagen-free cosmetic preparations which can be obtained by cross-linking and subsequently dehydrogenating swollen aqueous suspensions of chitosans and .beta.-1,3-glucans with diisocyanates and/or dialdehydes.

Préparations cosmétiques exemptes de collagène obtenues par réticulation de suspensions aqueuses gonflées de chitosanes et de .beta.-1,3-glucanes avec des diisocyanates et/ou des dialdéhydes, puis par déshydratation desdites suspensions.

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