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Antimicrobial

BIPHENYLHYDROXAMIC ACID

CAS 106359-54-0 Updated
50

Safety score · 0–100

Moderate

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

About

An aromatic hydroxamic acid with antimicrobial properties. Hydroxamic acids carry structural alerts for mutagenicity and this specific compound has very thin cosmetic safety data — use with awareness.

Function

ANTIMICROBIALANTIOXIDANTCOLORANTSKIN CONDITIONING

Skin benefits

  • Antimicrobial activity in formulations
  • Possible chelation of metal ions
  • Niche colorant/auxiliary use

Known concerns

  • Hydroxamic acid class shows mutagenicity alerts in QSAR
  • Very limited toxicology data
  • Not on positive lists for major regions

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.