Thioglycolic acid esters in EU cosmetics: Annex III, entry 2b
Thioglycolic acid esters: maximum concentration in ready for use preparation by product type: Hair waving or straightening products: (a) 8 %; (b) 11 % The abovementioned percentages are calculated as thioglycolic acid. Annex III, entry 2b, consolidated 18 May 2026.
- Annex
- III: List of substances which cosmetic products must not contain except subject to the restrictions laid down
- Reference number
- 2b
- Chemical name/INN
- Thioglycolic acid esters
- Version
- Consolidated version of 18 May 2026
- Official source
- Regulation (EC) No 1223/2009, consolidated text
Official wording: restrictions
- Product type, body parts: Hair waving or straightening products | Maximum concentration in ready for use preparation: (a) 8 % | Other: General use ready for use pH 6 to 9,5
- Maximum concentration in ready for use preparation: (b) 11 % The abovementioned percentages are calculated as thioglycolic acid | Other: Professional use ready for use pH 6 to 9,5
Official wording: conditions of use and warnings
Conditions of use:
(a) (b)
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
(b) For professional use only
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