Efficacy of Platelet-Rich Plasma as an Adjunct to Hair Transplantation: A Systematic Review

July 2025

Weeratian Tawanwongsri, Chime Eden

platelet-rich plasma hair transplantation androgenetic alopecia hair density hair thickness graft survival PRP AGA

The systematic review aims to evaluate the clinical efficacy of platelet-rich plasma (PRP) as an adjunctive treatment to hair transplantation in individuals with androgenetic alopecia (AGA). The review will include randomized controlled trials and prospective non-randomized clinical studies comparing hair transplantation with and without PRP. The primary outcomes of interest are improvements in hair density, hair thickness, and graft survival. The review will synthesize data descriptively due to expected heterogeneity in PRP protocols and study designs, and no meta-analysis will be performed. The study is limited to English-language articles and involves researchers from Thailand.

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research The Effects of Autologous Platelet-Rich Plasma and Various Growth Factors on Non-Transplanted Miniaturized Hair

37 citations , March 2009 in “Hair transplant forum international”

PRP treatment helped reverse hair thinning and promoted new hair growth.