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Surfactant

SODIUM OCTOXYNOL-9 SULFATE

CAS 12627-38-2
40

Safety score · 0–100

Moderate

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

The 9-EO analogue of octoxynol sulfate, sharing the octylphenol backbone. Slightly milder skin profile than the 6-EO variant but the same endocrine-disruption and aquatic concerns drive its phase-out from EU cosmetics.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Effective cleansing surfactant
  • Higher EO chain offers slightly better mildness than 6-EO variant

Known concerns

  • Octylphenol-derived; endocrine disruption concerns
  • REACH SVHC class
  • Aquatic ecotoxicity from breakdown products

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.