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FUE: Some Aspects to Consider



BHR Clinic Patient Advisor
We wrote an educational post covering different aspects of FUE as a technique and wanted to expand on the individual points raised, last post:


FUE Donor

"FUE relies much more than FUT on the candidate having a good donor hair density to reach higher numbers, all round good density and not just in the occipital (back). If by splitting the safe zone into areas prior to extraction it is possible to calculate whether the donor is viable for FUE and how many grafts can be extracted now and in the future. It is unlikely FUE will ever be able to reach the same number of transplanted follicular units than FUT assuming not to over harvest. As one benefit of FUE is no linear scar it can also be said that a benefit is the hair can be worn shorter or maybe shaved, but this can only apply if the supply of the donor is not over harvested otherwise although a linear scar is not left obvious signs of surgery can be evident".

We have said this many times about the FUE donor, the surface area is wider than the Strip donor but that does not mean more grafts can be removed without making the donor too thin and obvious scarring or large hair less areas. Remember the scalp surface area is not altered with FUE, it remains the same, however the number of hairs in the area is reduced, the more hairs removed the thinner the hair density becomes.

Different areas of the donor will have different hair characteristics, generally the sides have a slightly lower density than the back and the hair groupings are smaller also, more 1, 2 hair FU opposed to more 3, 4 FU around the back. When assessing the FUE donor multiple points must be examined to get a mean density and hair count, it is possible the contrast between areas is very different and gives a very different result in terms of what can be achieved with the graft numbers.

For example, dependent on the hair loss pattern maybe the sides around the side burn area are very strong with no signs of receding or showing very obvious signs that this area is weak. If weak the area has to be discounted for harvesting any grafts, one because it will thin the area further and secondly that maybe the FU are not DHT immune. This will reduce the surface area available to harvest. Other areas that can show these traits are the nape of the neck and around the ears. When measuring a conservative approach should be taken, assess the safe zone and then reduce it slightly further to play safe.

Once the surface has been measured and the density/mean hair count been taken it is possible to have a very good idea how many FU cover the safe zone, this is not the amount that can be removed but an approximate of the total in that area.

Generally the above is common sense to understand, the next step is a little harder and requires knowledge of anatomy and how the skin and hair cells react to a punch extraction. The amount that can be taken from the safe donor relies largely on educated extraction and harvesting patterns and I €™ll go into this in another post.



Staff member
Nice post Stephen,do you have any enlarged pictures of the donor area being measured and showing different density etc.

Thanks bm.


I like your philosiphy and approach, easy to understand post with no extravagant jibberish.