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Sodium Acrylate Copolymer

What Sodium Acrylate Copolymer is & what it does

Sodium Acrylate Copolymer is a synthetic acrylate-based polymer supplied as the sodium salt. Its main roles in a formula are thickening, stabilizing emulsions, and forming smooth gels, so it functions as a rheology modifier and film former. It has no UV-filtering or active skincare effect of its own. It is widely used in lotions, gels, and sunscreens to control texture and suspension.

What is Sodium Acrylate Copolymer?

It is a synthetic acrylate-based polymer supplied as the sodium salt. In formulas it is used to control texture rather than as an active.

What does Sodium Acrylate Copolymer do in sunscreen or skincare?

It thickens, stabilizes emulsions, and forms smooth gels, acting as a rheology modifier and film former. It has no UV-filtering or active skincare effect of its own.

Is Sodium Acrylate Copolymer safe?

These acrylate polymers are large, stable molecules and are generally considered safe for cosmetic use. No specific concerns are flagged for it in our catalog.

Sunscreens with Sodium Acrylate Copolymer

We rate 3 sunscreens that contain it:

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