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Emulsifier

C20-40 ALKETH-24 (FORMERLY C20-40 PARETH-24)

CAS 246538-83-0 (generic)
84

Safety score · 0–100

Good

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

A very-long-chain (C20-40) fatty alcohol heavily ethoxylated to 24 units — emulsifier for luxurious creams. CIR-cleared alkyl-ether family with low irritation; trace 1,4-dioxane is the only routine manufacturing concern.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Premium long-chain emulsifier
  • Stable rich-cream textures
  • High water solubility at EO-24
  • Low irritation profile

Known concerns

  • Trace 1,4-dioxane managed by supplier
  • Higher cost vs commodity ethoxylates

References

EU

EU CosIng database

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

Related emulsifiers

Same plant / compound family

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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.