Follicular Unit Extraction Technique (FUE)

Follicular Unit Excision or FUE is a hair transplant technique in which a small round punch is used to extract follicular units from a patient’s bald resistant donor areas one at a time. These 1, 2, 3 and 4 hair groupings (called follicular unit grafts) are then transplanted into a patient’s balding areas.

A small circular cut aprox. 1mm diameter is done to obtain the follicular unit.

Using very precise microsurgical forceps (like the watchmaker’s forceps), the follicles are extracted, which are classified according to the number of hairs 1, 2, 3, 4 and up to 5 hairs.

The extracted follicles are planted one by one in the areas affected by baldness, where they will survive and begin to produce hairs.


Comparison of hair transplant techniques

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Folicular Unit Strip (FUS)

FUS is a is a very well established and effective technique, however its popularity has decreased due to a number of disadvantages associated with its application. This technique is still used in very specific cases.

It is also known as the Strip technique, which involves cutting a scalp segment from the back of the head and from this cut the hair follicles are extracted.


Disadvantages of the FUS Technique

  • The scar is visible in the donor area (although generally is not highly visible).
  • • The procedure can be known as more aggressive and with more exposure of the donor area, this is manly due to the extraction of aproximately 180mm x 15mm of scalp.
  • • The scaring process in the donor area could result in the hairs that surround the scar to be wraped by the scar tissue, making it difficult for the area to be used for future hair trasnsplants.
  • • The manipulation of the hair follicles is greater, due to the process involving the separation of follicles to facilitate the trasplantation.The latter can result in a decreased of suitable follicles.
  • • Due to a very deep and extense cut, it is possible the ocurrence of postoperatory complications such as: pain, infections,bleeding among others, Despite this the posibility of complications is small.

Body Hair Transplantation (BHT)

This technique allows the extraction of hair follicles from almost any part of the body, such follicles will be then transplanted to the desired area. This procedure is carried out using the advanced FUE technique, with the use of 0.8 mm scalpels, which allow the obtention of the hair follicles from areas such as beard, cheast, etc.

Because the cuts are very small, scars and visible marks are not expected, wich allows in several cases the restoration of areas such as the upper head in patients where the donor area has run out, (patients that had undergone multiple STRIP or FUE procedures).