CheckVegan

Is Thioglycolic Acid vegetarian?

Thioglycolic Acid

Vegetarian Vegetarian
Vegan Vegan

Thioglycolic acid, also known as mercaptoacetic acid, is a synthetic organic compound containing both thiol and carboxylic acid functional groups. It is used in cosmetics, notably in hair-waving and depilatory products, and its esters are used similarly.

Also known as Mercaptoacetic Acid, TGA, THIOGLYCOLIC ACID
INCI name Thioglycolic Acid
CAS number 68-11-1
EC number 200-677-4
CosIng ID 28835
Last reviewed 4 July 2026

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

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue