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Antimicrobial

POTASSIUM PHENOXIDE

CAS 100-67-4 Updated
28

Safety score · 0–100

Caution

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

About

The potassium salt of phenol with antimicrobial activity. Phenol-class compounds are corrosive and systemically toxic — EU regulation tightly limits their use, and modern preservatives are far better choices.

Function

ANTIMICROBIAL

Skin benefits

  • Antimicrobial activity from phenol moiety
  • Has historical preservative use

Known concerns

  • Phenol parent is corrosive and toxic on systemic absorption
  • Skin sensitization potential
  • EU restricts phenol/phenoxide use in cosmetics
  • Modern preservatives offer better safety profiles

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related antimicrobials

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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.