Saint Blanc XIII Glutathione Skin Whitening Injection is a skincare treatment that has gained immense popularity in recent years due to its ability to provide brighter, smoother, and more radiant skin. It is a form of intravenous injection that is administered directly into the bloodstream, allowing the active ingredients to be delivered directly to the skin cells. The key ingredient in this injection is glutathione, a natural antioxidant that helps to neutralize free radicals and prevent damage to skin cells..