The Effects of Lower vs Higher Cell Number of Platelet-Rich Plasma on Hair Density and Diameter in Androgenetic Alopecia: A Randomized, Double-Blinded, Placebo, Parallel-Group Half-Scalp IRB-Approved Study

    May 2021 in “ Aesthetic Surgery Journal ”
    Gordon H. Sasaki
    Studysummary This study found that intradermal injections of platelet-rich plasma were equally safe and effective for treating androgenetic alopecia, with higher platelet numbers possibly enhancing hair density and follicle diameter.
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    1. The Effect of Placebo in Split-Scalp and Whole-Head Platelet-Rich Plasma Trials for Androgenetic Alopecia Differs: Findings from a Systematic Review with Quantitative Evidence Syntheses Journal of Cosmetic Dermatology · 2022
    2. Double-Blind, Placebo-Controlled Pilot Study on the Use of Platelet-Rich Plasma in Women With Female Androgenetic Alopecia Dermatologic Surgery · 2016