Cosmetic ingredient dictionary
Ceteareth-20 in cosmetics: what it is and what it does
Ceteareth-20 is a cosmetic ingredient that lets oil and water mix, so the product can wash dirt away. Open Beauty Facts finds it in 445 products, most often body care.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Ceteareth-20 do in a product?
In a cosmetic product, Ceteareth-20 lets oil and water mix, so the product can wash dirt away, cleans the skin, hair or teeth, and keeps oil and water mixed. The EU’s CosIng database lists these jobs for it: surfactant, cleansing and emulsifying.
What other names and numbers does Ceteareth-20 have?
- CAS number
- 68439-49-6
- CosIng reference
- 75105
Which products contain Ceteareth-20?
Open Beauty Facts finds Ceteareth-20 in the ingredient lists of 445 of the 22,021 products it has a list for, most often body care, hair care and sunscreen.
Products with it, by country of sale: France 100 · United States 67 · Norway 32 · Spain 31.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Ceteareth-20 turns up, not how much of the market it is.
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’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- 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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