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 Amazon.com: Liposomal Glutathione Supplement 500mg per Serving, 60 Capsules (Vegan Safe, Non GMO) Max Absorption Liposomal Glutathione with Genuine Smell and Taste by Double Wood : Everything Else Why does glutathione smell like sulfur? Dr. Nayan Patel shares that glutathione's sulfur smell comes from its powerful detox properties. Sulfur helps your body flush out toxins, which is why 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