Beard and Mustache transplantation normally refers to the surgical procedure of restoration of hair in areas affected with baldness due to any particular reasons. Just like transplantations of hair is done for scalp, similarly, there are a few men who suffer from hair falling in beard and moustache area, and need similar kind of treatment to restore their facial hairs.
A beard and moustache is the symbolism of a male, and surely represents abundance of male hormones from a simple glimpse on the face. Once a man starts developing problems with facial hairs, this even leads to low morale levels and a lower confidence while representing himself before a third person.