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Surfactant

BIS-(METHOXY PEG-11 EPOXIDIZED SOYATE) PEG-9

CAS 2251702-09-5 (generic)
73

Safety score · 0–100

Fine

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

A lower-PEG version of the methoxy-PEG epoxidized soyate surfactant family — emulsifies, cleanses, and solubilizes. Slightly higher penetration than its long-EO siblings, with the routine PEG dioxane caveat.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - FOAM BOOSTINGSURFACTANT - CLEANSINGSURFACTANT - DISPERSINGSURFACTANT - SOLUBILIZING

Skin benefits

  • Mild surfactant for cleansers
  • Good emulsifier and solubilizer
  • Lower irritation than ionic surfactants
  • Soy-derived feedstock

Known concerns

  • Potential 1,4-dioxane impurity from ethoxylation
  • Lower-EO version means more skin penetration potential
  • Quality depends on supplier purification

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, so always read the physical product label and consult a healthcare professional for personal concerns.