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Cosmetic ingredient dictionary

Cetrimonium Methosulfate in cosmetics: what it is and what it does

Cetrimonium Methosulfate is a cosmetic ingredient that lets oil and water mix, so the product can wash dirt away. Open Beauty Facts finds it in 8 products, most often hair care.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Cetrimonium Methosulfate do in a product?

In a cosmetic product, Cetrimonium Methosulfate lets oil and water mix, so the product can wash dirt away, keeps oil and water mixed, and makes hair easier to comb, softer or shinier. The EU’s CosIng database lists these jobs for it: surfactant, emulsifying, hair conditioning, antimicrobial and antistatic.

surfactantemulsifyinghair conditioningantimicrobialantistatic

What other names and numbers does Cetrimonium Methosulfate have?

CAS number
65060-02-8
EC number
265-352-1
CosIng reference
74944

Which products contain Cetrimonium Methosulfate?

Open Beauty Facts finds Cetrimonium Methosulfate in the ingredient lists of 8 of the 22,021 products it has a list for, most often hair care, hair conditioners and hair dyes.

  • Hair care2
  • Hair conditioners1
  • Hair dyes1

Products with it, by country of sale: France 3 · Germany 2 · Switzerland 1 · United States 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Cetrimonium Methosulfate turns up, not how much of the market it is.

On these listsSurfactants and cleansersEmulsifiers

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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