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Stabilizer

C9-11 ALKETH-40 (FORMERLY C9-11 PARETH-40)

CAS 169107-21-5 (generic) Updated
87

Safety score · 0–100

Good

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

About

A C9-11 alcohol with a high 40 EO units — even with a short alkyl chain, very heavy ethoxylation makes this an unusually mild, hydrophilic emulsion stabiliser with a clean profile.

Function

EMULSION STABILISING

Skin benefits

  • Mild emulsion stabilisation
  • Strong oil solubilisation
  • Low irritation
  • Compatible with mild systems

Known concerns

  • Trace dioxane caveat
  • No significant concerns at cosmetic concentrations

References

EU

EU CosIng database

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

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Check your shelf

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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.