An extract of the leaves of the tea plant camellia sinensis. Commonly referred to as green tea extract. The cosmetic and dermatological communities fervently laud green tea, mainly due to the fact that it contains the polyphenol epigallocatechin-3-gallate (EGCG). EGCG polyphenols are widely known for their anti-carcinogenic and antioxidant abilities, and have been shown to inhibit the body’s immune suppression and skin cancer induction that typically follows UVB exposure. A 2001 study in the journal Carcinogenesis demonstrated how, after exposure to sunlight, the dermal application of EGCG can effectively reduce the body’s oxidative stress and increase its enzyme and amino acid activity (mainly catalase and glutathione).