Dimethylol ethylene thiourea in EU cosmetics: Annex III, entry 44
Dimethylol ethylene thiourea: maximum concentration in ready for use preparation by product type: (a) Hair- products: (a) 2 %; (b) Nail- products: (b) 2 %. Annex III, entry 44, Regulation (EC) No 1223/2009, consolidated 18 May 2026.
- Annex
- III: List of substances which cosmetic products must not contain except subject to the restrictions laid down
- Reference number
- 44
- Chemical name/INN
- 1,3-Bis (hydroxymethyl)imidazolidine-2-thione
- Name of Common Ingredients Glossary
- Dimethylol ethylene thiourea
- CAS number
- 15534-95-9
- EC number
- 239-579-1
- Version
- Consolidated version of 18 May 2026
- Official source
- Regulation (EC) No 1223/2009, consolidated text
Official wording: restrictions
- Product type, body parts: (a) Hair- products | Maximum concentration in ready for use preparation: (a) 2 % | Other: (a) Not to be used in aerosol dispensers (sprays)
- Product type, body parts: (b) Nail- products | Maximum concentration in ready for use preparation: (b) 2 % | Other: (b) pH < 4
Official wording: conditions of use and warnings
Contains Dimethylol ethylene thiourea
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