Epigallocatechin gallate (EGCG) is a polyphenol catechin derived from green tea used in topical skincare for its antioxidant and anti-inflammatory properties. It helps neutralize free radicals and may protect skin against UV-induced oxidative stress.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation or redness | Uncommon | Possible at higher concentrations or with sensitive skin. |
| Contact dermatitis | Rare | Allergic sensitization reported in isolated cases. |
| Dryness or tightness | Rare | May occur depending on formulation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.