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Ingredient Facts
Polystearyl methacrylate
Ingredient · Film Forming · EWG: 4
Plant-Derived
Occlusive
Not Clean
Polystearyl Methacrylate is a cosmetic ingredient used as film forming. Assessed as safe by the CIR.
CAS #
-
Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Traditional Use
A synthetic polymer developed for use in cosmetics as a film-forming and texturizing agent. Created to provide improved texture, water resistance, and sensory properties in modern skincare and makeup products.