Epigallocatechin Gallatyl Glucoside is a glucoside-stabilized derivative of EGCG, a green tea-derived polyphenol, used in topical formulations for its antioxidant and free-radical-scavenging properties. The glucoside modification improves stability and water solubility compared to native EGCG.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient irritation or redness | Rare | Generally well tolerated; occasional sensitivity at application site. |
Allergic contact dermatitis | Very rare | Isolated reports of sensitization to polyphenol derivatives. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.