Allowed in EU

Cetrimonium Methosulfate

A cosmetic ingredient used as antimicrobial, antistatic, hair conditioning in skincare, haircare, and personal-care products sold in the European Union.

What is it?

Hexadecyltrimethylammonium methyl sulphate

What does it do?

Cetrimonium Methosulfate is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Antimicrobial

    kills or inhibits the growth of microorganisms

  • Antistatic

    reduces static electricity, mostly in hair products to keep strands smooth and manageable

  • Hair conditioning

    improves the appearance, feel, and manageability of hair

  • Surfactant - cleansing

    surfactant whose primary cosmetic role is cleansing — the active workhorse in soaps, shampoos, and body washes

  • Surfactant - emulsifying

    surfactant that forms and stabilises emulsions of oil and water — without it, creams and lotions would separate

EU regulatory status

Cetrimonium Methosulfate is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.

Frequently asked questions

What is Cetrimonium Methosulfate?

Cetrimonium Methosulfate is a cosmetic ingredient catalogued in the EU CosIng database. Hexadecyltrimethylammonium methyl sulphate

Is Cetrimonium Methosulfate allowed in cosmetics in the EU?

Yes. Cetrimonium Methosulfate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Cetrimonium Methosulfate do in cosmetic products?

Cetrimonium Methosulfate is declared in the EU cosmetic ingredient inventory with these functions: antimicrobial, antistatic, hair conditioning, surfactant - cleansing, surfactant - emulsifying.

What is the CAS number of Cetrimonium Methosulfate?

The CAS (Chemical Abstracts Service) number for Cetrimonium Methosulfate is 65060-02-8.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010