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Skin Conditioning

CINNAMOYLHYDROXAMIC ACID

CAS 3669-32-7 Updated
55

Safety score · 0–100

Moderate

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

About

A cinnamate-hydroxamic acid hybrid used as a brightening tyrosinase inhibitor. Active and promising, but hydroxamic acids carry generic genotoxicity flags and cinnamate-sensitization potential.

Function

ANTIOXIDANTCHELATINGSKIN PROTECTING

Skin benefits

  • Brightening tyrosinase inhibition
  • Antioxidant

Known concerns

  • Hydroxamic acid genotoxicity flags
  • Cinnamate sensitization potential
  • Sparse cosmetic dossier

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.