In follicular unit hair transplantation, a donor strip of hair is harvested excising a narrow strip of scalp from the donor area—an area at the back of the head that is resistant to hair loss. This area of hair, present in men with complete male pattern baldness, does not fall out, even when transplanted.
The donor strip is then separated under magnification into follicular units. Each follicular unit from the donor strip contains one to four hair follicles. The follicles are then transplanted to the recipient site.
The procedure is performed with local anesthesia, sometimes with a mild oral sedative. Sessions can take anywhere from 3 hours to most of a day, with breaks in the middle of the procedure.
At the end of the session, patients can put on a baseball cap and no one will be able to identify they have had surgery.
Follicular unit transfer can be combined with dense packing techniques in a mega session. Patients enjoy more dramatic results with fewer operations when these procedures are performed at a single sitting. As many as 2200 follicular units can be transferred in one mega session.
It is important that sessions are performed so that patients get results that will last a lifetime, not simply 3 or 4 years. By understanding that hair loss continues despite a hair transplant surgery, an expert hair restoration surgeon is able to perform transplants not only to bald areas but to other areas likely to bald to create a natural hairline which will last a lifetime.
Follicular unit transplantation is an extremely efficient manner of hair restoration because several thousand hair grafts can be obtained from one small, thin donor strip. While follicular unit hair transplantation is very simple by principle, it takes an experienced surgeon, attention to detail, an artist's touch, and micro-surgical skills for the best implementation of this technique.
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