Film-Forming Agent

Sodium Polymethacrylate

INCI: SODIUM POLYMETHACRYLATE

Reviewed by Daisy · Last updated 18 Aug 2026

What Is Sodium Polymethacrylate?

Sodium Polymethacrylate (INCI: SODIUM POLYMETHACRYLATE) is a cosmetic ingredient listed in the EU CosIng inventory. 2-Propenoic acid, 2-methyl-, homopolymer, sodium salt.

Its declared cosmetic functions are binding, emulsion stabilising, film forming, opacifying and viscosity controlling.

Source: European Commission CosIng inventory.

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