Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only
Patent
1987-03-25
1989-03-28
Lesmes, George F.
Drug, bio-affecting and body treating compositions
Solid synthetic organic polymer as designated organic active...
Polymer from ethylenic monomers only
A61K 709
Patent
active
048162469
ABSTRACT:
This hair waving composition has a self-limiting reaction so that reduction of sulfhydryl bonds and reduction of cystine is effectively discontinued after an interval, for minimizing potential for damage to hair when making a permanent wave. The self-limiting effect is obtained by using a composition containing both the ammonium and monoethanolamine salts of a suitable mercaptan, preferably thioglycolic acid. In a composition having a pH in the range of 9 to 9.5 the ratio of ammonium thioglycolate to monoethanolamine thioglycolate is in the range of from 2:1 to 8:1. Preferably the total concentration of ammonium thioglycolate plus monoethanolamine thioglycolate is in the of from 3% to 12% by weight. Such a composition may also include from 1% to 10% by weight surfactant, up to 1.5% by weight sequestrant for metal ions, and conditioners, colors, fragrances and the like.
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Cannell David W.
Mathews Roger A.
Moore Edward R.
Lesmes George F.
Redken Laboratories Inc.
Rucker Susan S.
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