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Emulsifier

C20-40 ALKETH-95 (FORMERLY C20-40 PARETH-95)

CAS 246538-83-0 (generic)/ 251553-55-6 (generic)/ 97953-22-5 (generic) Updated
88

Safety score · 0–100

Good

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

About

A long-chain (C20-40) fatty alcohol very heavily ethoxylated to 95 EO units — extremely water-soluble, very mild emulsifier for premium formulations. Squarely in the CIR alkyl-ether safe-as-used family.

Function

SURFACTANT - CLEANSINGSURFACTANT - SOLUBILIZING

Skin benefits

  • Extremely water-soluble emulsifier
  • Very mild on skin
  • Useful for premium clear formulations
  • Low cumulative irritation

Known concerns

  • Trace 1,4-dioxane requires supplier control
  • Higher cost limits to premium formulations

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.