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NONYL NONOXYNOL-10

CAS 9014-93-1
62

Safety score · 0–100

Fine

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

About

Nonyl Nonoxynol-10 is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

NONYL NONOXYNOL-10 is a nonionic surfactant derived from nonylphenol with approximately 10 moles of ethylene oxide. The low EO degree results in a more lipophilic surfactant with greater potential for skin and eye irritation. EU regulations under REACH require specific labeling for products containing nonylphenol ethoxylates due to their environmental hazard classification. This ingredient is restricted in some EU member states for aquatic environmental reasons, and formulators must conduct a safety assessment for leave-on products specifically.

Skin benefits

  • Effective emulsifier for oil-based formulations requiring strong cleaning action
  • Good solvency for difficult-to-dissolve ingredients

Known concerns

  • Low EO degree increases skin sensitization and irritation potential
  • Nonylphenol metabolites are endocrine-disrupting and subject to EU environmental restrictions
  • EU REACH classified as a substance of concern for aquatic toxicity

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.