Hair transplants involve the removal of a narrow strip of hair-bearing scalp right from the back of the head, which is then used to fill the area with no hair, explains WebMD. This procedure is performed under local anesthesia.
A surgeon begins by cleaning the scalp before injecting an anesthesia meant to numb the area where the strip of scalp is to be removed, explains WebMD. The doctor removes the strip carefully using a scalpel and sets it aside. After which, the surgeon sews the scalp and hides it with hair around the area. The surgeon then divides the removed strip into about 500 to 2,000 small grafts, with each containing an individual hair or several hairs. The number depends on the color of hair, type, quality and the size of the area.
Once the grafts are ready, the surgeon cleans the area to be transplanted and numbs it, creating slits or holes using a scalpel, explains WebMD. He then places each graft directly in each hole. The procedure can take about four to eight hours, but in some cases, additional sessions may be required if the patient continues to lose hair or decides to have thicker hair. After the surgery, the scalp may be tender, and the surgeon may recommend pain medications for a few days.