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Anionic surfactant

OLETH-4 PHOSPHATE

CAS 39464-69-2
60

Safety score · 0–100

Fine

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

Oleth-4 phosphate is an anionic emulsifier and conditioning ester used in lotions and creams, considered safe at typical use levels with the main concern being trace ethoxylation by-products.

Skin benefits

  • Anionic emulsifier and conditioning phosphate ester
  • Provides creamy, well-emulsified textures
  • Effective at low use levels

Known concerns

  • Ethoxylated ingredient with possible 1,4-dioxane traces if not purified
  • Mild eye and skin irritation potential at higher levels

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related anionic surfactants

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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.