Description
The author is discussing hair coloring, specifically perm wave color treatment. Perm wave color treatment is a process that uses glycerol monothioglycolate and ammonium thioglycolate to change the hair color.
Hair coloring, or hair dyeing, is the practice of changing the hair color. The main reasons for this are cosmetic: to cover gray or white hair, to change to a color regarded as more fashionable or desirable, or to restore the original hair color after it has been discolored by hairdressing processes or sun bleaching Specifications Apply to your Hair Section by Section Ingredients Glycerol monothioglycolate, which is acidic, and ammonium thioglycolate, which is alkaline
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