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Anionic surfactant / soap

AMMONIUM OLEATE

CAS 544-60-5
55

Safety score · 0–100

Moderate

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

Ammonium salt of oleic acid that works as a cleanser and emulsifier in soaps and shampoos. CIR review notes possible sensitization and irritation, so concentration matters for skin tolerance.

Skin benefits

  • Effective soap-style cleanser and emulsifier
  • Derived from plant-sourced oleic acid
  • Negative in standard genotoxicity assays
  • Long history of use in liquid soaps and shampoos

Known concerns

  • CIR data show potential to induce skin sensitization at higher levels
  • Can cause irritation in guinea pig studies up to 50%
  • Alkaline soap chemistry can disrupt the skin barrier
  • Not ideal for sensitive or compromised skin

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.