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Surfactant

SODIUM NONOXYNOL-25 SULFATE

CAS 9014-90-8 (generic) Updated
52

Safety score · 0–100

Moderate

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

About

A heavily ethoxylated (25 EO) sulfated nonylphenol surfactant. Milder on skin than shorter homologs, but the nonylphenol backbone breaks down to a REACH-restricted aquatic endocrine disruptor — being phased out in EU formulations.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Mild rinse-off cleansing
  • Lower mucosal irritation than short-chain homologs

Known concerns

  • Nonylphenol breakdown — REACH Annex XVII
  • Aquatic endocrine disruption
  • Possible 1,4-dioxane traces

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.