We’ve all suffered through a smelly pair of shoes but, for some guys, the pungent perfume of perspiration is a more persistent problem (try saying that quickly!). Contrary to popular belief, it’s not the secretion itself that smells. It is the combination of bacteria breeding on the surface of the skin along with the nutrient-rich sweat from the apocrine glands that produces a distinctive odor.
The cause behind excessive sweating—and the stench that comes with it—isn’t as simple as bad hygiene. Technically known as hyperhidrosis, the actual smell of sweat can be caused by an overactive thyroid, obesity, or even consuming stimulants like coffee. So if over-the-counter products and regular showering aren’t shifting your personal smell, you might have to seek help from a specialist.