Because hair holds onto moisture, shaving your armpits may result in less sweating, or at least less noticeable sweating (sweat rings on your shirt sleeves, for example). Shaving may also cut down on the odor associated with sweat.

Does underarm hair reduce sweating?

Shaving your underarms could reduce excessive sweating. Hair holds moisture, and underarm hair is no exception. If you're already experiencing heavy sweating under your arms, shaving is essential. And if you're constantly fighting body odor alongside the sweat, shaving could also help reduce or eliminate it.

Does armpit hair cause more sweat?

However, many people believe that having armpit hair increases sweat, and for good reason. Having armpit hair causes moisture to linger in your armpits longer than it would if there was no hair, and it can make sweat stains worse. ... No, but it will likely reduce the damage to your clothes when you do sweat.