If you want a total facial reconstruction then you need to find the local plastic surgeon. Hit Square or X to manipulate your facial hair. Sit in the nearby chair and a menu will then pop up offering you both the original hair styles from the beginning of the game, and a few new ones only available here. Speak with the barber and pay him 15 caps to get a haircut. The barber in Diamond City can be found just inside the gate and to the left, near the bar in the middle of town. If all you want to do is change your hair, including your facial hair, you need to head to the barber. Luckily, both of these options can be found in Diamond City, located in downtown Boston. You can change your hair, or your entire face. Did you waste hours in the opening sections of Fallout 4 trying to get your character just right, only to have them look all wrong once you set it in stone? There are two major ways to change your appearance in Fallout 4.