thioglycolic acid

(redirected from Calcium thioglycolate)
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thioglycolic acid

[¦thī·ō·glī′käl·ik ′as·əd]
(organic chemistry)
HSCH2COOH A liquid with a strong unpleasant odor; used as a reagent for metals such as iron, molybdenum, silver, and tin, and in bacteriology. Also known as mercaptoacetic acid.
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Other ingredients include Aqua, Calcium Thioglycolate, Dimethicone, Paraffinum liquidum, Cetyl palmitate, Sodium polyacrylate, Hydroxyethyl cellulose and Ethylhexyl Stearate.
Calcium thioglycolate, a common depilatory active ingredient, breaks down disulfide bonds in keratin, thereby weakening hair strands.
When formulating depilatories, calcium thioglycolate may be formed in situ by reacting thioglycolic acid with an excess of calcium hydroxide (as shown in the formula below).