Recycling of Previously Transplanted Hair: A Novel Indication for Follicular Unit Extraction


  • Alireza Mohebipour Department of Dermatology, Azad University, Ardabil Branch, Islamic Azad University, Ardabil
  • Serena Gianfaldoni University G. Marconi of Rome, Dermatology and Venereology, Rome
  • Torello Lotti University G. Marconi of Rome, Dermatology and Venereology, Rome
  • Marigdalia K. Ramirez-Fort Department of Radiation Oncology, State University of New York at Downstate, Brooklyn, NY 11203
  • Christopher S. Lange Department of Radiation Oncology, State University of New York at Downstate, Brooklyn, NY 11203
  • Homayoun Sadeghi-Bazargani Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz
  • Uwe Wollina Städtisches Klinikum Dresden, Department of Dermatology and Allergology, Dresden, Sachsen
  • Georgi Tchernev Medical Institute of the Ministry of Interior, Medical Institute of Ministry of Interior (MVR), Department of Dermatology, Venereology and Dermatologic Surgery, Sofia; Onkoderma, Private Clinic for Dermatologic Surgery, Sofia
  • Amir Feily Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran



androgenetic alopecia, Hair transplantation, follicular unit extraction, hair density, efficacy


BACKGROUND: Hair transplantation has enhanced the realm of procedural dermatology. Before the advent of follicular transplantation, androgenetic alopecia was a difficult disease to manage, as there is a limited armamentarium of topical and systemic pharmaceuticals. However, as with other novel surgical procedures, there is a steep learning curve, that may result in poor transplantation or cosmesis.

CASE REPORT: We present a case of androgenetic alopecia, where previously, poorly implanted hairs were recycled by follicular unit extraction to increase hair density at the vertex of the scalp, which resulted in improved cosmesis and patient satisfaction.

CONCLUSION: We have demonstrated that re-transplantation is not only feasible but is effective; therefore redesigning of previous transplantations should be considered as a possible indication follicle unit extraction, particularly in the setting of scarce follicular reserves. The utility of our recycling method may also inspire hope in patients that have undergone failed or unsatisfactory hair transplantations.


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How to Cite

Mohebipour A, Gianfaldoni S, Lotti T, Ramirez-Fort MK, Lange CS, Sadeghi-Bazargani H, Wollina U, Tchernev G, Feily A. Recycling of Previously Transplanted Hair: A Novel Indication for Follicular Unit Extraction. Open Access Maced J Med Sci [Internet]. 2018 Jun. 17 [cited 2022 Dec. 6];6(6):1095-7. Available from:



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