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
    TLDR Higher cell number PRP improves hair density and diameter more than lower cell number PRP.
    The study investigated the effects of different concentrations of platelet-rich plasma (PRP) on hair density and diameter in 8 subjects with androgenetic alopecia (AGA). It found that higher cell number PRP significantly improved hair density and diameter compared to lower cell number PRP and placebo. Both treatments were safe and well-tolerated, with no significant adverse events reported. The study concluded that higher cell number PRP might offer greater benefits for treating AGA, though further research is needed to confirm these findings.
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