Donor Hair Follicle Preservation by Partial Follicular Unit Extraction: A Method to Optimize Hair Transplantation

    April 2010 in “ Journal of Dermatological Treatment ”
    Coen G. Gho, H. A. Martino Neumann
    From the encyclopedia
    Hair Multiplication →

    extract, clone, and reinsert your own hair cells

    Hair Transplant →

    Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.

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    Studysummary This study found that partial follicular units extracted from the donor area can survive and regenerate new hairs at their original site and when transplanted, effectively creating two hair follicles from one. Our plain-language summary of this paper — not a Tressless recommendation.
    In 2010, a study on partial longitudinal follicular unit extraction (FUE) was conducted with five male patients aged 36-61 with androgenetic alopecia to assess whether this method could preserve donor hair follicles and optimize hair transplantation. The study found that after 3 months, 92.1% to 104.1% (mean 97.7%) of the donor site partial units survived, and after 1 year, 91.1% to 101.5% (mean 96.1%) of the implanted partial units in the recipient area showed hair growth with characteristics similar to the donor area. The multiplication rate of hairs was between 83.2% and 102.1%, with a mean of 93.3%. The study concluded that partial FUE can generate two hair follicles from one original follicle, with a high rate of hair multiplication and preservation in both donor and recipient areas. However, the study had limitations, including a small sample size and the inclusion of patients with previous hair transplants, and suggested that further research with more patients is needed to confirm the clinical relevance of the technique.
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