Glutathione Brightening Shots Subtly You 1. Glutathione supplements whitens the skin FALSE They do not bleach skin; any tone change is due to effects on melanin pathways, not instant lightening. 3. it works the same for A New Skin Lightening Procedure Is Short on Evidence The New York Times Glutathione as a skin whitening agent: Facts, myths, evidence and controversies Indian Journal of Dermatology, Venereology and Leprology