Etidronic acid in EU cosmetics: Annex III, entry 53
Etidronic acid: maximum concentration in ready for use preparation by product type: (a) Hair- product: 1,5 % (as etidronic acid); (b) Soap: 0,2 % (as etidronic acid). Annex III, entry 53, 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
- 53
- Chemical name/INN
- (1-Hydroxyethylidene-diphosphonic acid) and its salts
- Name of Common Ingredients Glossary
- Etidronic acid
- CAS number
- 2809-21-4
- EC number
- 220-552-8
- 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- product | Maximum concentration in ready for use preparation: 1,5 % (as etidronic acid)
- Product type, body parts: (b) Soap | Maximum concentration in ready for use preparation: 0,2 % (as etidronic acid)
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