Liposomal Glutathione Tri Fortify Researched Nutritionals 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 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 Essential Glutathione Optimal Health Systems Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification