Hair Transplant surgery is a procedure where hair grafts (follicular units) are transferred from the back and sides of the scalp of a patient known as donor hair (where the hair growth is permanent) to the recipient area (bald area) where the patient has lost hair.
There are two main ways of harvesting/extracting the grafts, FUT and FUE. In FUT, a thin strip of skin is removed from the back of the scalp, and then the area is stitched back. The grafts are then dissected from the thin strip, placed in a holding solution, and then the dissected follicular units are then transplanted in to the bald area.
On healing, there would be a linear scar at the donor area. In FUE, grafts are extracted one by one from the donor area using tiny punches of diameter 0.6mm-1mm. This technique is less invasive and guarantees quick healing.
Once the grafts are extracted, the incision sites are made on the recipient area, and then the grafts are inserted. The most important aspect of the surgery is creating natural results. Patients want the surgery results to be completely natural and undetectable.
So the doctor must be able to bring out a good hairline, correct hair direction and density. A follicular unit of hair naturally contains 1-4 single hairs. A surgeon must be able to distribute these grafts such that fine hairs are in the front and thicker hairs behind the hairline backwards.
The surgery must have both an artistic and a professional approach to exhibit great results. More information about hair restoration surgery.