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 Grace and Glow Bright & Smooth Deodorant Serum with Niacinamide and AH D Nelson Enterprises Does Glutathione Smell Bad? Understanding the Master Antioxidant Cymbiotika CYMBIOTIKA One of our products smells like rotten eggs?! , Its actually because of an ingredient called Glutathione, which naturally contains Sulfur. , But dont let the smell fool you this ingredient will Cathy Doll L Glutathione Magic Underarm Serum 50g Numbuzin no.5 serum or Axis Y on dark spots : r AsianBeauty