Cosmetic Products Regulation, Annex III - Restricted Substances

EU. Restricted Substances: Annex III, Regulation 1223/2009/EC on Cosmetic Products, as amended by Regulation (EU) 2024/996, OJ L of 4 April 2024

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.

C16-alkyltrimethylammonium chloride

EC / List no: 203-928-6 CAS no: 112-02-7
Restrictions Product type, body parts
Leave-on hair products
Maximum Threshold
1 %
For purposes other than inhibiting the development of micro-organisms in the product. This purpose has to be apparent from the presentation of the product
Maximum concentration is for the individual concentrations or the sum of the individual concentrations of cetrimonium chloride and steartrimonium chloride

For use as a preservative, see Annex V, entry No 44