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Emulsifier

C11-21 ALKETH-10 (FORMERLY C11-21 PARETH-10)

CAS 246538-82-9 (generic)
81

Safety score · 0–100

Good

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

A wide-cut fatty alcohol (C11-21) with 10 EO units — flexible emulsifier for varied oil blends. Sits in CIR-cleared alkyl ether family with the usual dioxane manufacturing caveat; otherwise low irritation, biodegradable.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Broad-MW emulsifier suited to mixed oil phases
  • Reliable O/W emulsion stabilizer
  • Compatible with electrolytes and actives

Known concerns

  • Trace 1,4-dioxane requires control
  • Wide MW distribution slightly less predictable than narrow-cut

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.