Extract of Green Tea (Camellia sinensis) has around 20 times more antioxidant-activity than Vitamin C. The scavenging effect of lipid free-radicals (one antioxidant property) of polyphenols in green tea extracts can be clearly observed in experiments.
This yellowish-brown powder (extract) makes an excellent addition to many cosmetic products. You can add powdered green tea extract to any creation containing water, whether it be a lotion, cream, soap, face mask it makes it very versatile.