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Thickener

STEARETH-10 ALLYL ETHER/ACRYLATES COPOLYMER

CAS 109292-17-3
70

Safety score · 0–100

Fine

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

A high-molecular-weight acrylate copolymer with a steareth-10 allyl ether arm. Acts as a thickener and emulsion stabilizer. Polymer is too large to penetrate skin; main caveat is residual ethylene-oxide impurities.

Function

FILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Thickens lotions and gels
  • Stabilizes oil-in-water emulsions
  • Imparts smooth skin feel

Known concerns

  • Trace 1,4-dioxane possible from PEG portion
  • Environmental persistence

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, so always read the physical product label and consult a healthcare professional for personal concerns.