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Emulsifier

C11-15 SEC-ALKETH-12

CAS 68131-40-8 (generic)
80

Safety score · 0–100

Good

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

A secondary C11-15 alcohol with 12 EO units — a mild non-ionic emulsifier used in leave-on lotions and serums. Secondary OH plus generous EO load = particularly low irritation; class is CIR-affirmed safe.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Mild non-ionic emulsifier
  • Good solubilising power
  • Compatible with leave-on formulas

Known concerns

  • Trace 1,4-dioxane if not stripped
  • Slight eye irritation in concentrates

References

EU

EU CosIng database

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

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C12-15 ALKETH-11
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Same plant / compound family

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C11-15 SEC-ALKETH-12 (FORMERLY C11-15 SEC-PARETH-12)
Surfactant

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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.