Cosmetic composition based upon chitosan and ampholytic copolyme

Details Cosmetic composition based upon chitosan and ampholytic copolyme Cosmetic composition based upon chitosan and ampholytic copolyme

1987-12-22

1990-07-03

Griffin, Ronald W.

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

424 63, 424 70, 8405, 8406, 536 20, 514 55, 514880, 514844, A61K 706, A61K 709, C08B 3708

Patent

active

049389505

ABSTRACT:
A cosmetic composition is disclosed for the treatment of hair or skin, based upon 0.05 to 10% by weight of chitosan, and characterized by a content of 0.05 to 20% by weight of an ampholytic copolymerizate of formula (I) ##STR1## wherein m=0.5 to 0.9, n=0.1 to 0.5, m+n=1 and p being such that the ampholytic copolymerizate has a molecular weight of from 1,000 to 3,000,000.
wherein m=0.1 to 0.9 and n=0.5 to 0.9. The composition provides clear, smooth films, which are neither sticky in moist climate, nor brittle in dry climate. Also disclosed are new chitosan/polyampholyte salts, obtained by reaction of chitosan with an ampholytic copolymerizate of formula (I).

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Muzzarelli et al; Carb. Res. 107:199-214 (1982).

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