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Antioxidant

PURPUROGALLIN CARBOXYLIC ACID

Updated
55

Safety score · 0–100

Moderate

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

About

A polyphenolic benztropolone compound derived from pyrogallol oxidation, with antioxidant and bleaching properties. Limited cosmetic safety data and pyrogallol-class sensitisation concerns warrant caution.

Function

ANTIOXIDANTBLEACHINGSKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Polyphenolic antioxidant
  • Possible brightening effect

Known concerns

  • Sparse cosmetic toxicology data
  • Pyrogallol-class sensitisation potential
  • May darken in formula

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.