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Thickener

SODIUM POLYMETHACRYLATE

CAS 25086-62-8 Updated
72

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A high molecular-weight polymer used to thicken and stabilize cosmetic formulas. Inert on skin; the main concern is rinse-off microplastic shed to wastewater.

Function

BINDINGEMULSION STABILISINGFILM FORMINGOPACIFYINGVISCOSITY CONTROLLING

Skin benefits

  • Thickener and stabilizer
  • Forms a soft film for moisture retention
  • Inert high-MW polymer

Known concerns

  • Synthetic polymer/microplastic concern in rinse-off
  • Possible residual methacrylate monomers

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.