From the leaves of the plants dried, cured and extracted into ethyl alcohol. Used in cosmetics to reduce the puffiness around the eyes. Has astringent properties due to tannic acid content. Green tea contains compounds that have an antioxidant effect. It is thought that it has anticancerous effects which have been determined by test tube but not proven in human disease prevention yet. It is thought that the active antioxidants may be able to inhibit the cancer process initiated by the sun’s ultraviolet B radiation. AT Case Western Reserve University topical administration of green tea resulted in a reduction of tumors that occurred following UVB radiation.