Reducing solution for permanent wave

Details Reducing solution for permanent wave Reducing solution for permanent wave

1992-10-19

1994-07-26

Michl, Paul R.

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Polymer from ethylenic monomers only

424 71, 132203, A61K 709, A61K 711

Patent

active

053325702

ABSTRACT:
Disclosed is an improved reducing solution comprising: a) from about 1.0% to about 11.0% by weight of cysteamino hydrochloride; b) from about 1.0% to about 24% by weight of a reducing agent selected from a group consisting of salts and esters of thioglycolic acid, L-cysteine, thiolactic acid, and thiomaleic acid, dithioerythreitol, and dithiothyreitol; c) from about 0.5% to about 7% by weight of isoascorbic acid; d) a base in amounts sufficient to adjust the pH from about 6.5 to about 8.5; and e) water in amount sufficient to total 100 percent of the solution; the weight percents being based upon the total weight of the solution.

REFERENCES:
patent: 4786493 (1988-11-01), Smith

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