Glutathione Injections for Skin Whitening: Complete Guide Tigris Valley Glutathione Injections & IV Therapy: Medical Uses, Benefits & Safety 'I felt the need to lighten my skin', Some people of colour are using unregulated IV drips to lighten their skin., But why? We spoke to Zara, who uses them, and said it was down to colourism., What is Glutathione IV Therapy, How it works & Cost in Los angeles