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Antimicrobial

NONOXYNOL-9 IODINE

CAS 94349-40-3
20

Safety score · 0–100

Caution

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

An iodine complex of nonoxynol-9, a nonylphenol-ethoxylate surfactant. The class is restricted in EU cosmetics; iodine complex adds mucosal-irritation and thyroid concerns.

Function

ANTIMICROBIAL

Skin benefits

  • Broad antimicrobial action

Known concerns

  • Nonylphenol ethoxylate endocrine concerns
  • EU restrictions on nonoxynols
  • Iodine-related mucosal/thyroid effects
  • Not in the EU preservative positive list

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.