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 Understanding Glutathione Smell in Skin Products Photo Stock Doctor gives injection in underarm area to reduce armpit sweating, treat hyperhidrosis, prevent bad smell and body odor. Professional injecting glutathione to whiten skin color hyperpigmentation Adobe Stock Biohack Your Sense of Taste and Smell! Desert Valley Chiropractic