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Surfactant

SODIUM CAPRYLETH-9 CARBOXYLATE

CAS 126646-15-9 Updated
76

Safety score · 0–100

Fine

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

About

A short C8 ether carboxylate with 9 ethoxylation units — combines a small fatty chain and ample EO content for a mild, fast-rinsing surfactant suited to gentle micellar cleansers and emulsions.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild emulsifying surfactant
  • Suitable for sensitive-skin formulations
  • Effective at low use levels

Known concerns

  • Possible 1,4-dioxane traces from ethoxylation
  • Limited published toxicology data
  • Lower foam volume than longer-chain surfactants

References

EU

EU CosIng database

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

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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.