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Emulsifier

CETEARETH-4 PHOSPHATE

CAS 106233-09-4 Updated
65

Safety score · 0–100

Fine

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

About

A phosphate-ester PEG emulsifier closely related to ceteareth-5 phosphate. Holds lotions together well; the PEG part can carry trace 1,4-dioxane unless purified.

Function

CLEANSINGSURFACTANT - CLEANSING

Skin benefits

  • Emulsification
  • Lotion stability
  • Cold processing

Known concerns

  • Possible 1,4-dioxane trace
  • Mild eye irritation
  • Slight drying

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.