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Antimicrobial

UNDECYLENIC GLYCERIDES

CAS 65684-27-7 ;93802-96-1 ; 171675-63-1 Updated
72

Safety score · 0–100

Fine

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

About

Glycerin esters of undecylenic acid (the same compound used to fight athletes foot). Effective antifungal; can occasionally irritate sensitive skin.

Skin benefits

  • Glyceride form of undecylenic acid
  • Antimicrobial and antifungal
  • Used in foot care and dandruff products

Known concerns

  • Possible mild skin irritation in sensitive users
  • Slight characteristic odor
  • Limited dedicated CIR opinion

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.