Cosmetic ingredient dictionary

Acrylates/Steareth-20 Methacrylate Crosspolymer in cosmetics: what it is and what it does

Acrylates/Steareth-20 Methacrylate Crosspolymer is a cosmetic ingredient that leaves a thin film on skin, hair or nails. Open Beauty Facts finds it in 7 products, most often hair care.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Acrylates/Steareth-20 Methacrylate Crosspolymer do in a product?

In a cosmetic product, Acrylates/Steareth-20 Methacrylate Crosspolymer leaves a thin film on skin, hair or nails. The EU’s CosIng database lists this job for it: film forming.

film forming

What is Acrylates/Steareth-20 Methacrylate Crosspolymer?

Acrylates/Steareth-20 Methacrylate Crosspolymer is a copolymer of steareth-20 methacrylate and one or more monomers consisting of acrylic acid, methacrylic acid or one of their simple esters, crosslinked with an allyl ether of pentaerythritol or an allyl ether of trimethylolpropane.

CosIng reference
82260

Which products contain Acrylates/Steareth-20 Methacrylate Crosspolymer?

Open Beauty Facts finds Acrylates/Steareth-20 Methacrylate Crosspolymer in the ingredient lists of 7 of the 22,021 products it has a list for, most often hair care, hair gels and face care.

  • Hair care4
  • Hair gels2
  • Face care1
  • Cleansers1
  • Shampoos1

Products with it, by country of sale: France 3 · Finland 1 · India 1 · Italy 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Acrylates/Steareth-20 Methacrylate Crosspolymer 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’.

  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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