Glutathione injection is widely used. Its benefits include: Skin Benefits Skin Brightening & Whitening Helps reduce melanin production, leading to a lighter, more even skin tone. Reduces Pigmentation Glutathione as a skin whitening agent: Facts, myths, evidence and controversies Indian Journal of Dermatology, Venereology and Leprology PLEASE READ The Philippine Dermatological Society warns the public about the use of Glutathione products as "skin whiteners". In the Philippines, the use of glutathione products for skin whitening is What To Avoid When Taking Glutathione The Truth About Glutathione For Skin Whitening FDA Advisory No.2024 1011 Public Health Warning Against the Purchase and Use of the Following Unregistered Drug Products: Food and Drug Administration