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OCTOXYNOL-6

CAS 9002-93-1
55

Safety score · 0–100

Moderate

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

About

Octoxynol-6 is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Octoxynol-6 contains an average of 6 ethylene oxide units, making it more lipophilic and potentially more irritating than higher-EO variants. The 4-tert-octylphenol backbone is the primary concern: EU classifies octylphenol as a priority hazardous substance due to its endocrine-disrupting properties and environmental persistence. While octoxynol-6 itself is not directly banned, its use in rinse-off products is preferred over leave-on applications given surfactant irritation potential and metabolite concerns.

Known concerns

  • Endocrine-disrupting metabolite (4-tert-octylphenol) from degradation
  • Moderate skin and eye irritation potential
  • Environmental hazard classification in EU water regulations

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.