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Surfactant

POLOXAMER 333

CAS 9003-11-6 Updated
82

Safety score · 0–100

Good

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

About

A nonionic block copolymer surfactant — emulsifies and gently cleanses in cosmetic formulations. Long safety record, low irritation, no EU restrictions; main caveat is potential trace dioxane from synthesis.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Effective nonionic emulsifier for stable formulations
  • Gentle cleansing surfactant with low irritation
  • Solubilizes hydrophobic actives in water-based products

Known concerns

  • Possible trace ethylene oxide/1,4-dioxane impurities from manufacturing
  • Higher EO content can be mildly drying in rinse-off

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.