CheckVegan

Is MEA-Thiolactate vegetarian?

MEA-Thiolactate

Vegetarian Vegetarian
Vegan Vegan

MEA-Thiolactate is the salt of thiolactic acid (2-mercaptopropionic acid) with ethanolamine (MEA), a synthetic compound used as a reducing agent in permanent wave hair products.

Also known as Ethanolamine Thiolactate, Propanoic acid, 2-mercapto-, compound with 2-aminoethanol (1:1)
INCI name MEA-Thiolactate
CAS number 54266-38-5
EC number 259-050-9
CosIng ID 35192
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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