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Antioxidant

GALLA RHOIS GALLNUT EXTRACT

68

Safety score · 0–100

Fine

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

A tannin-rich gallnut extract from Rhus javanica. Used for antioxidant, astringent and skin-brightening effects. Generally well-tolerated; high tannin levels may dry skin.

Function

ANTIMICROBIALANTIOXIDANT

Skin benefits

  • Strong tannin antioxidant (gallic/methyl gallate)
  • Anti-MMP and anti-elastase activity in vitro
  • Skin brightening and astringent effects

Known concerns

  • Tannins can dry or irritate sensitive skin at higher use
  • Not formally reviewed by CIR
  • Stability sensitive to UV/alkaline pH

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, so always read the physical product label and consult a healthcare professional for personal concerns.