Cosmetic ingredient dictionary
Poloxamer 338 in cosmetics: what it is and what it does
Poloxamer 338 is a cosmetic ingredient that lets oil and water mix, so the product can wash dirt away. Open Beauty Facts finds it in 21 products, most often mouthwash.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Poloxamer 338 do in a product?
In a cosmetic product, Poloxamer 338 lets oil and water mix, so the product can wash dirt away, and keeps oil and water mixed. The EU’s CosIng database lists these jobs for it: surfactant and emulsifying.
What other names and numbers does Poloxamer 338 have?
- CAS number
- 9003-11-6
- CosIng reference
- 80151
Which products contain Poloxamer 338?
Open Beauty Facts finds Poloxamer 338 in the ingredient lists of 21 of the 22,021 products it has a list for, most often mouthwash, face care and facial creams.
Products with it, by country of sale: France 11 · Morocco 3 · Brazil 2 · United States 2.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Poloxamer 338 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
Create a website profile with the things you avoid and the people you check for.
Build my profileSave and edit your profile on this website. App transfer is not available yet.