Polyethylacrylate
AKA “Polyacrylic acid ethyl ester, Ethyl polyacrylate”
Ingredient
Ingredient Facts
Polyethylacrylate
AKA: Polyacrylic acid ethyl ester, Ethyl polyacrylate
Ingredient · Film Forming · EWG: 2
Synthetic
Occlusive
Clean
Homopolymer of ethyl acrylate
CAS #
9003-32-1
Form
Powder
See origin →
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Holds Formula Together
Creates Protective Barrier
Creates protective layer
Holds ingredients together
Traditional Use
A synthetic acrylic polymer developed in the mid-20th century. Used in cosmetics as a film-forming and water-resistant agent in waterproof makeup and long-wear formulations.
Skin Types
●all-skin-types
Best For
General
Verified Jun 2026
Data: CosIng · EWG · CIR