Hair Numbers and Donor Management

When thinking of a hair transplant future hair loss must be considered to ensure only genetically strong hair is used; because aggressive hair loss cases can affect the donor area, with a dropped crown, no lateral humps and retrograde alopecia

When we shed more hair than we replace gradually hair loss becomes apparent, with Male Pattern Baldness this is a relatively slow progress and can take some time to become cosmetically noticeable

Hair grows in groups or bunches called follicular units, ranging from 1-4 hairs, with an average of approximately 2.20 hairs per FU

Hair sheds on a daily basis and is also replaced on a daily basis, so we keep the average number as a constant if we are not losing hair. It is not uncommon to shed around 70-100 hairs per day.

On average there are over one hundred thousand strands of hair covering the head, from hair line to crown and from side to side. Blondes average about 140,000 strands, brunettes’ average 108,000 and redheads’ average 90,000.

Dependent on how aggressive hair loss is the recipient area (the top) can become larger than the donor area (the back and sides)

The donor area is a finite resource of hair, when hair is removed it is not replenished, so every hair removed reduces the total remaining. FUT and FUE are hair transplant techniques; the method of hair removal makes the main difference between the two techniques

It is advised before deciding to have a hair transplant that you have the hair count measured in the safe donor zone; the measurement is normally made per cm² and in follicular units (FU´s)

This will help determine the coverage you can achieve long term as your hair loss progresses; some people may find the demand for hair in the recipient area out ways the supply that can be removed from the donor

A hair transplant works on the basis that some of our hair is genetically programmed not to suffer from hair loss; this hair is situated around the back and sides of our head. Before deciding on the best technique to treat your hair loss it is important to look at your situation now and how it may be in the future.


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