Glutathione injections are taken once a week for 6 weeks. They reduce melanin production and make skin lighter. The cost is 5000 per sitting for double dose glutathione with Vitamin c, b complex and AILKE Double Glutathione Whitening Skin Care Kit, Lightening, Even Skin Tone, Reduce Melanin, Skin Radiant, Moisturizing, Smooth AliExpress 66 Glutathione for Skin Brightening and Anti Aging in Cosmetic Formulations What Is Glutathione's Role in Skin Lightening? Does Glutathione whiten skin? How to use it effectively DR Nguyen Giap Glutathione as a depigmenting agent: an overview Villarama 2005 International Journal of Cosmetic Science Wiley Online Library