Glutathione is an antioxidant found in almost every cell in the body and plays a role in the detoxification of drugs and exogenous substances.In addition, reduced glutathione (GSH) acts as a hydrogen donor in the detoxification of hydrogen peroxide.As a dietary supplement,GSH has various systemic effects such as improving liver abnormalities, improving diabetic complications, preventing viral infections, anti-tumor activity, etc., and is even used to treat autism.Reduced glutathione is also widely used in skin whitening skin care products, especially in the Asian market.Skin care products containing 0.1% and 0.5% glutathione are effective for whitening facial skin.