Armpit hair itself is a normal part of the human body, for both men and women, armpit hair is a very normal existence. Due to the difference in hormone levels, armpit hair may be thicker for men and sparser for women. It is very common for men to have armpit hair, especially during puberty, when boys can find their beards growing significantly, and it is not only the beard, but also leg hair, chest hair, and hair on the lower pubic area, and armpit hair, all of which will grow significantly darker, thicker, and longer. So male growth armpit hair is a very normal situation, does not need to be dealt with, and the existence of armpit hair, in fact, for the local sweating has certain advantages.