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 Glutathione Serum Numbuzin Glutathione Ampoule: Smells Bad But Works! 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 Why is Glutathione the Key to Gut Health?