Platelet-rich plasma on female androgenetic alopecia: Tested on 10 patients.



After 24 weeks, the median relative percentage change (%RC) for all the parameters of hair density was mostly positive. After 12 weeks, the medium hair diameter in frontal area showed a significant increase (%RD = 12.5, with P-value < .05), and after 24 weeks (%RD = 14.6, P-value < .05), the vellus relative change instead showed a decrease, especially in the front and the central area, while for the vertex, the decrease was mainly visible at the end (-6.6%). No adverse events were reported.


Platelet-rich plasma injections have a positive therapeutic effect on hair density and hair diameter improvement.

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