Epigallocatechin gallate (EGCG) is the major polyphenolic catechin derived from green tea, used in topical formulations for its antioxidant and anti-inflammatory properties. It helps neutralize free radicals and may reduce UV-induced oxidative damage in the skin.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation or redness | Uncommon | Typically transient and associated with higher concentrations. |
| Allergic contact dermatitis | Rare | Sensitization to botanical catechins has been occasionally reported. |
| Dryness or stinging | Rare | More likely on compromised or sensitive skin barriers. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.