Acrylates/Beheneth-25 Methacrylate Copolymer is a synthetic associative thickener used to control viscosity and stabilize emulsions in skincare and cosmetic formulations. It provides smooth texture and suspension of insoluble particles without contributing active treatment benefits.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Rare | Occasional transient redness or stinging, typically in sensitive skin. |
Allergic contact dermatitis | Very rare | Isolated sensitization reports; the polymer is generally considered low risk. |
Eye irritation | Uncommon | Possible irritation on direct ocular contact in rinse-off or facial products. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.