Epigallocatechin gallate (EGCG) green tea se nikala hua ek major polyphenolic catechin hai, jo topical formulations mein use hota hai kyunki iska antioxidant aur anti-inflammatory effect hota hai. Yeh free radicals ko neutralize karne mein help karta hai aur UV ki wajah se hone wali oxidation ko bhi kam kar sakta hai.