Hair transplantation update: procedural techniques, innovations, and applications.

The advances in hair transplantation, particularly the advent of follicular unit transplantation, have greatly elevated the outcome of this procedure. Various modifications to the basic technique as well as innovations focused on the different aspects of the hair transplantation procedure have further enhanced this type of hair restoration surgery. In addition, there is ongoing expansion of the indications and applications of this procedure beyond the usual male pattern hair loss.