What is a Ammonium thioglycolate (NH₄C₂H₅O₂S) ?

Ammonium thioglycolate (NH₄C₂H₅O₂S) is a compound used primarily as a chemical in permanent wave (perm) treatments for hair. It is the ammonium salt of thioglycolic acid, and its main function is as a reducing agent. Ammonium thioglycolate breaks the disulfide bonds in the hair's keratin, temporarily altering its structure to allow for the creation of curls or waves. The process involves applying the compound to the hair, leaving it for a specific period, and then neutralizing it to lock the new shape. While effective, it can be irritating to the skin and eyes, and care should be taken to follow proper safety protocols to avoid damage to the hair or skin.

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