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Emulsifier

C11-21 ALKETH-3

CAS 246538-82-9 (generic)
55

Safety score · 0–100

Moderate

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

A short-chain ethoxylated fatty alcohol (3 EO) — nonionic emulsifier for oil-heavy systems. Low EO content makes it more lipophilic and slightly more irritating than higher-EO siblings.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Nonionic emulsifier
  • Useful in oil-rich systems
  • Stable across pH

Known concerns

  • Low EO count → higher irritation potential
  • Possible 1,4-dioxane trace from ethoxylation
  • Sparse public safety review

References

EU

EU CosIng database

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

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Same plant / compound family

74
C11-21 ALKETH-3 (FORMERLY C11-21 PARETH-3)
Emulsifier

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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.