Polyacrylate Crosspolymer-9
INCI: POLYACRYLATE CROSSPOLYMER-9
Reviewed by Kate · Last updated 18 Aug 2026
What Is Polyacrylate Crosspolymer-9?
Polyacrylate Crosspolymer-9 is a copolymer of t-butylaminoethyl methacrylate and carboxyethyl acrylate, crosslinked with a combination of pentaerythritol tetraacrylate and a hexafunctional acrylate formed by reacting pentaerythritol triacrylate with toluene diisocyanate.
Its declared cosmetic function is film forming.
Source: European Commission CosIng inventory.
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