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Ethoxylated emulsifier

C40-60 PARETH-3

CAS 246538-86-3
70

Safety score · 0–100

Fine

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

C40-60 Pareth-3 is a heavy-chain ethoxylated alcohol used to thicken and stabilize emulsions. It is generally well tolerated, with the main caveat being control of residual 1,4-dioxane from manufacturing.

Skin benefits

  • High molecular weight nonionic emulsifier and thickener
  • Helps stabilize water-in-oil and wax-rich systems
  • Low irritation potential at typical use levels

Known concerns

  • Ethoxylated material, residual 1,4-dioxane must be controlled
  • Limited published toxicology for this exact ethoxylate chain length
  • Petroleum-derived feedstock with sustainability questions

References

EU

EU CosIng database

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

Related ethoxylated emulsifiers

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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.