Cetrimonium Bromide
A cosmetic ingredient used as antimicrobial, antistatic, preservative in skincare, haircare, and personal-care products sold in the European Union.
What is it?
1-Hexadecanaminium, N,N,N-trimethyl-, bromide
What does it do?
Cetrimonium Bromide is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antimicrobial
kills or inhibits the growth of microorganisms
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Antistatic
reduces static electricity, mostly in hair products to keep strands smooth and manageable
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Preservative
prevents microbial growth in cosmetic products, extending shelf life and protecting users
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Surfactant - emulsifying
surfactant that forms and stabilises emulsions of oil and water — without it, creams and lotions would separate
EU regulatory status
Cetrimonium Bromide is listed in Annex V of EU Cosmetics Regulation 1223/2009 as a substance permitted for the corresponding category of use.
Frequently asked questions
What is Cetrimonium Bromide?
Cetrimonium Bromide is a cosmetic ingredient catalogued in the EU CosIng database. 1-Hexadecanaminium, N,N,N-trimethyl-, bromide
Is Cetrimonium Bromide allowed in cosmetics in the EU?
Yes. Cetrimonium Bromide is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Cetrimonium Bromide do in cosmetic products?
Cetrimonium Bromide is declared in the EU cosmetic ingredient inventory with these functions: antimicrobial, antistatic, preservative, surfactant - emulsifying.
What is the CAS number of Cetrimonium Bromide?
The CAS (Chemical Abstracts Service) number for Cetrimonium Bromide is 57-09-0.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 10/08/2020