A quaternary ammonium salt used as a preservative, regulated in Annex V.
What it is
Myrtrimonium bromide is tetradecyltrimethylammonium bromide, a cationic quaternary ammonium salt with a C14 alkyl chain. CosIng lists it as a preservative. In the EU it is covered by an entry in Annex V (allowed preservatives) for alkyl (C12-22) trimethylammonium bromides and chlorides.
Where it is used
Found in hair conditioners, cleansers and other products that need preservation.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
See the EU regulation section for the applicable limits. The label does not show the concentration actually used.
Functions
- Preservative
- Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.
EU regulation
EU · Annex V, entry 44Alkyl (C12-C22) trimethyl ammonium bromide and chloride
- Maximum concentration
- 0.1%
- As of
- 3 November 2026 · (EU) 2014/866
Products with this ingredient (7)
- Płyn micelarny Mixa Przeciw Przesuszeniu z gliceryną · Mixa
- Micellar Cleansing Water · Garnier
- Micellar Cleansing Water · Garnier SkinActive
- Micellar Cleansing Water · L'Oréal
- Micellar Cleansing Water 3-in-1 · L'Oréal
- Garnier SkinActive PureActive · L'Oréal
- Pureté Thermale Mineral Micellar Water for Sensitive Skin · Vichy