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Cosmetic ingredient dictionary

Cetyl Betaine in cosmetics: what it is and what it does

Cetyl Betaine is a cosmetic ingredient that lets oil and water mix, so the product can wash dirt away. Open Beauty Facts finds it in 7 products, most often baby shampoo.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Cetyl Betaine do in a product?

In a cosmetic product, Cetyl Betaine lets oil and water mix, so the product can wash dirt away, cleans the skin, hair or teeth, and keeps the skin in good condition. The EU’s CosIng database lists these jobs for it: surfactant, cleansing, skin conditioning, hair conditioning, viscosity controlling, antistatic and foam boosting.

surfactantcleansingskin conditioninghair conditioningviscosity controllingantistaticfoam boosting

What other names and numbers does Cetyl Betaine have?

CAS number
693-33-4
EC number
211-748-4
CosIng reference
74950

Which products contain Cetyl Betaine?

Open Beauty Facts finds Cetyl Betaine in the ingredient lists of 7 of the 22,021 products it has a list for, most often baby shampoo, shampoos and shampoos for babies.

  • Baby shampoo1
  • Shampoos1
  • Shampoos for babies1

Products with it, by country of sale: United States 4 · Australia 2 · Bolivia 1.

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

On these listsSurfactants and cleansers

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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