Gotta love it Faded gets its smell from Glutathione, an ingredient that is really effective at reducing the appearance of discoloration in weeks. , So, hold your breath and say goodbye to your most Why does glutathione smell like sulfur? Dr. Nayan Patel shares that glutathione's sulfur smell comes from its powerful detox properties. Sulfur helps your body flush out toxins, which is why Why does Faded Serum smell? Glutathione! an ingredient thats super effective at reducing the appearance of discoloration in weeks Glutathione has a cysteine chain that causes it to have a sulfur Readisorb: The Stinkiest Antioxidant Your Body Craves