Antioxidant
GALLA RHOIS GALLNUT EXTRACT
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
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 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.