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Surfactant

PPG-21 BUTYL ETHER PHOSPHATE

65

Safety score · 0–100

Fine

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

A phosphate-ester surfactant built on a PPG-butyl ether backbone. Functional as an emulsifier with mild surfactancy; phosphate group can be slightly eye-irritating, putting it in the cautious end of yellow.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Effective oil-in-water emulsifier
  • Mild surfactant action
  • Tolerates wide pH range

Known concerns

  • Phosphate ester — can be mildly irritating to eyes
  • Possible propylene oxide residue traces
  • Limited published toxicology

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.