Cosmetic Ingredient

Thioglycolic Acid

INCI: THIOGLYCOLIC ACID
CAS 68-11-1 EC 200-677-4
Mercaptoacetic acid
Generally Safe
This ingredient has a good safety profile based on available data.
Purpose

Function

Depilatory, Hair Waving/Straightening, Keratolytic, Reducing Agent
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

Mercaptoacetic acid

EU Restricted — Annex III
2 official EU restrictions with concentration limits & label requirements
View details →
Reference

Identifiers

CAS Number
68-11-1
EC Number
200-677-4
INCI
THIOGLYCOLIC ACID
Category
Cosmetic Ingredient
Updated
Apr 2, 2026