All hair transplantation techniques work on the same basic principle and method. To begin, healthy, bald-resistive follicles are harvested from the back or sides of the head (called the donor site). Next, very small micro-incisions are made in the thinning areas where more hair is desired (called the recipient site). The harvested follicles (called grafts) are then carefully embedded into the incisions. Typically, more than 95% of the transplanted hair follicles will take root, acting as a permanent and completely natural replacement for lost hair.