Ammonium Thiolactate
INCI: AMMONIUM THIOLACTATE
Reviewed by Kate · Last updated 18 Aug 2026
What Is Ammonium Thiolactate?
Ammonium Thiolactate (INCI: AMMONIUM THIOLACTATE) is a cosmetic ingredient listed in the EU CosIng inventory. Ammonium 2-mercaptopropionate.
Its declared cosmetic functions are depilatory, hair waving or straightening and reducing.
Source: European Commission CosIng inventory.
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