Glutathione (GSH) is an antioxidant that is capable of preventing damage to important cellular components caused by reactive oxygen species such as free radicals, peroxides, lipids peroxides, and heavy metals.
Glutathione reduced or L-Glutathione is an active form that can lighten the skin by converting melanin to a lighter color.
Recommended concentration 0.2-3% ; soluble in water. For external use only.