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 Glutathione for Skin: Benefits Beyond Skin Brightening Glutathione Before and After in Los Angeles Radiance in 6 Weeks Glutathione Skin Lightening Revivify Medical Spa Skin Lightening IV Therapy Glutathione in Beverly Hills & LA