Epigallocatechin extract is a green tea-derived polyphenol (primarily EGCG) valued for its potent antioxidant and anti-inflammatory properties. It is used topically to help neutralize free radicals, soothe skin, and may provide some protection against UV-induced oxidative damage.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation or redness | Uncommon | Typically transient and associated with higher concentrations or sensitive skin. |
| Contact dermatitis | Rare | Allergic sensitization reported in isolated cases. |
| Dryness or stinging | Rare | More likely in formulations combined with other actives or on compromised skin barriers. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.