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Surfactant

NONOXYNOL-4 PHOSPHATE

50

Safety score · 0–100

Moderate

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

A nonylphenol-4 phosphate ester emulsifier. Nonylphenol ethoxylates are EU-recognized endocrine disruptors with significant aquatic toxicity — being phased out of modern cosmetic formulations.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - HYDROTROPESURFACTANT - CLEANSING

Skin benefits

  • Effective phosphate ester emulsifier
  • Short-chain ethoxylate — lower 1,4-dioxane potential
  • Stable across pH range

Known concerns

  • Nonylphenol ethoxylate base — EU SVHC for endocrine disruption
  • Significant aquatic toxicity
  • EU restrictions on NPE surfactants in cosmetics

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.