GALLIC ACID
Antioxidant
Good
CAS Number: 149-91-7
About GALLIC ACID
A powerful plant-derived antioxidant found in tea, oak bark, and gallnuts — fights free radicals, brightens skin, fades dark spots, and helps control acne. FDA GRAS rated.
Detailed Analysis
Gallic acid (CAS 149-91-7, C₇H₆O₅) is a trihydroxybenzoic acid — a polyphenol naturally found in gallnuts, sumac, tea leaves, and oak bark. It functions as a potent antioxidant in cosmetics, with studies suggesting activity comparable to or exceeding vitamin C. It inhibits melanin production (skin brightening), stimulates collagen synthesis, and exhibits antimicrobial activity against acne-causing bacteria. FDA GRAS status. EWG rates it as a '1' (safest). Generally well-tolerated; mild irritation possible at high concentrations.
What It Does
Skin Benefits
- ✓ Potent antioxidant — may outperform vitamin C
- ✓ Skin brightening — inhibits melanin production
- ✓ Stimulates collagen synthesis
- ✓ Antimicrobial — helps fight acne bacteria
- ✓ Anti-inflammatory — soothes redness
Known Concerns
- ⚠ Mild irritation possible at high concentrations
- ⚠ Should not be combined with retinoids or other strong actives without caution
- ⚠ Patch testing recommended for sensitive skin
Safety Score
Good
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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Download LuxSenseThis information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.