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 The Importance of Glutathione in Health and Healing Dr. Todd Maderis What is the Smell of Glutathione and Why It Matters for Your Health Cymbiotika CYMBIOTIKA So, the good, bad and ugly of Glutathione (IV and otherwise), Currently, there is a buzz about how IV glutathione doesnt work for making the skin fair, which is exactly what many derms have always