1,3-butanediol thioglycollate isomer mixture and permanent wavin

Details 1,3-butanediol thioglycollate isomer mixture and permanent wavin 1,3-butanediol thioglycollate isomer mixture and permanent wavin

1996-03-21

1998-02-24

Gardner-Lane, Sally

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Permanent waving or straightening

424 702, A61K 709, A61K 707

Patent

active

057209456

ABSTRACT:
The object of the invention is a new isomer mixture of 3-hydroxybutyl monothioglycollate and 3-hydroxy-1-methyl propyl monothioglycollate in a weight proportion of about 1.5:1 to 4:1, preferably about 2:1 to about 3:1, comprising less than 5%, preferably less than 2% by wt., of 1,3-butanediol thioglycollate, and its use as the sole or main reducing agent in compositions for permanent waving of human hair. The compositions have reduced smell, good waving properties and an extremely low sensitizing potential on human skin.

REFERENCES:
patent: 5068102 (1991-11-01), Tennigkeit
patent: 5332570 (1994-07-01), Bergstrom
patent: 5378454 (1995-01-01), Burneister
patent: 5612023 (1997-03-01), Kiyomine
Zviak, The Science of Hair Care, 1986 pp. 190-193, (1986).

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