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Thickener

POLYMETHACRYLIC ACID CROSSPOLYMER

CAS 50602-21-6 Updated
72

Safety score · 0–100

Fine

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

About

A crosslinked acrylic-acid polymer used to thicken water-based formulas into gels. High-MW polymer is non-penetrating and topically benign.

Function

ABSORBENT

Skin benefits

  • Thickener and rheology modifier
  • Forms gels in water phase
  • Stable in formulas

Known concerns

  • Synthetic crosspolymer — environmental persistence
  • Trace residual methacrylic acid monomers possible

References

EU

EU CosIng database

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

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Thickener

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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.