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Antimicrobial

ZINC UNDECYLENATE

CAS 30773-48-9 / 557-08-4 Updated
72

Safety score · 0–100

Fine

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

About

Zinc undecylenate — the zinc salt of undecylenic acid. Long-used antifungal in foot products and a mild antimicrobial in cosmetics. Generally well tolerated on intact skin.

Function

ANTICAKING, ANTIMICROBIAL, OPACIFYING

Skin benefits

  • Antifungal
  • Antimicrobial
  • Skin conditioning
  • Pharma-grade safety record

Known concerns

  • Can irritate broken skin
  • Drying at high use
  • Avoid open wounds

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.