One of our products smells like rotten eggs?! It's actually because of an ingredient called Glutathione, which naturally contains Sulfur. But don't let the smell fool you this ingredient will make Readisorb: The Stinkiest Antioxidant Your Body Craves Amazon.com : Genabelle Glutathione Ampoule Mask Lightweight, Intensive Exfoliating, Firming, Hydrating, Moisturizing Mask Sheet 5pcs : Beauty & Personal Care If a serum smells bad it usually means it works., This glutathione serum smells like rotten eggs and thats your first clue its highly concentrated. Glutathione is known for targeting a) Scoring analysis for odor test of reduced glutathione (GSH) and Download Scientific Diagram