Preliminary Study on the Effects of PRP on Hair Regrowth

    May 2014 in “ Transfusion and Apheresis Science ”
    R. Tomeo, Pierluigi Gigliofiorito, S. Iacob, G. De Caprio, P. Chiriano, Saverio Misso
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    TLDR PRP treatment showed no hair regrowth improvement after the first application in patients with alopecia.
    In a preliminary study conducted in 2014, researchers aimed to evaluate the effects of Platelet-rich plasma (PRP) on hair regrowth in patients with alopecia. PRP, known for its regenerative effects on tissue healing and hair growth, involves using autologous platelet extracts as a cell-repairing product. The study involved a standardized technique with a team consisting of a hematologist, a cosmetic surgeon, and a nurse. Patients with androgenic alopecia at stage II-III on the Norwood scale received intradermal injections of PRP in the scalp following a chessboard technique. The treatment was repeated at day 90 and after 1 year, with pictures taken before each procedure. Ten patients with alopecia were enrolled in the study, and after the first application, no improvement was observed. The study continued with the expectation of future results, indicating that the method was not yet standardized and that further research was needed to establish a common injecting technique for PRP in hair loss applications.
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