But it would probably work for hyperpigmentation. The whole process of an antioxidant is very important, it repairs and cleanses the body. Most skin problems are due to a poor diet, or something caused internally. The detox is very important, which is why when people for example have bloating as a problem, they would try a colon cleanse to get rid of the problem naturally, and not pump themselves full of a bunch of medicines.Glutathione, an antioxidant, protects cells from toxins such as free radicals. I'm not aware if theres any documented scientific evidence that it lightens skin.