Cosmetic ingredient dictionary
Styrene/Acrylates/Ammonium Methacrylate Copolymer in cosmetics: what it is and what it does
Styrene/Acrylates/Ammonium Methacrylate Copolymer is a cosmetic ingredient that leaves a thin film on skin, hair or nails. Open Beauty Facts finds it in 37 products, most often eye makeup.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Styrene/Acrylates/Ammonium Methacrylate Copolymer do in a product?
In a cosmetic product, Styrene/Acrylates/Ammonium Methacrylate Copolymer leaves a thin film on skin, hair or nails and makes a clear product cloudy. The EU’s CosIng database lists these jobs for it: film forming and opacifying.
What other names and numbers does Styrene/Acrylates/Ammonium Methacrylate Copolymer have?
- CosIng reference
- 79305
Which products contain Styrene/Acrylates/Ammonium Methacrylate Copolymer?
Open Beauty Facts finds Styrene/Acrylates/Ammonium Methacrylate Copolymer in the ingredient lists of 37 of the 22,021 products it has a list for, most often eye makeup, mascara and makeup.
Products with it, by country of sale: Norway 15 · Netherlands 8 · Australia 6 · France 5.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Styrene/Acrylates/Ammonium Methacrylate Copolymer 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 profileSaved to your account. On launch day, sign in to the app with the same email and carry on where you left off.