Topical treatment with EGCG on mouse skin results in prevention of UVBinduced
immunosuppression and oxidative stress. The protective effects of green tea
treatment on human skin either topically or consumed orally against UV light-induced
inflammatory or carcinogenic responses are not well understood. Based on documented
extensive beneficial effects of green tea on mouse skin models and very little in human skin,
many pharmaceutical and cosmetic companies are supplementing their skin care products
with green tea extracts