Scientists aren’t quite sure why men have underarm hair. They believe it has something to do with the cooling effect on the body. Hair wicks moisture away from the skin during perspiration, helping to maintain proper ventilation. However you want to look at it, the question of having hair in this area can be easily answered with four words. GET RID OF IT! Not only unsightly but also odoriferous, underarm hair has been giving men issues for centuries. Men agree there has to be an easy and long lasting way to have it removed.