Cosmetic Products Regulation, Annex III - Restricted Substances

EU. Restricted Substances: Annex III, Regulation 1223/2009/EC on Cosmetic Products, as amended by Regulation (EU) 2023/1545, OJ L 188, 27 July 2023

This list contains substances whose use in cosmetic products in the European Union is banned, except under certain conditions as indicated in Annex III. The list specifies the field of application or use, maximum allowable concentration limits in finished products, and any additional limitations.

Thioglycolic acid esters

EC / List no: - CAS no: -
Ref No.
Restrictions Product type, body parts
General use products for hair waving or straightening
Maximum Threshold
8 %
For general use
Ready for use pH 6 to 9.5
Expressed As
As thioglycolic acid
Warning Label
Conditions of use: May cause sensitization in the event of skin contact. Avoid contact with eyes. In the event of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves. Warnings: Contains thioglycolate. Follow the instructions. Keep out of reach of children.