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 Glutathione Collagen Gummies, Collagen Gummies with Global Ubuy Glutathione Arbutin Lactic Acid Blue Tansy Lotion Kojic Acid Tranexamic Acid 4 oz Glutathione in skincare. Heres the 60 second version., Antioxidant? YES. Brightening potential? Maybe., Unstable, temperature sensitive, and smells funky , Bonus ingredient, not a must have. Tried Does Glutathione Smell Bad? Understanding the Master Antioxidant Cymbiotika CYMBIOTIKA Infusions: Glutathione Rapid Wellness: Your provider of Great Health