44 citations
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February 2020 in “Expert Opinion on Biological Therapy” In this study, autologous non-activated platelet-rich plasma was associated with greater hair re-growth than autologous activated platelet-rich plasma over long-term follow-up.
2 citations
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October 2022 in “Skin appendage disorders” This study found that platelet rich plasma (PRP) is a safe and effective treatment for alopecia areata, with no significant difference in efficacy between activated and non-activated PRP.
58 citations
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January 2020 in “International Journal of Molecular Sciences” This review evaluates various kits for isolating platelet-rich plasma using established processing standards and finds they enable compliance with consensus quality criteria; ongoing research is needed to refine these procedures for improved consistency and safety.
20 citations
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July 2020 in “Expert Opinion on Biological Therapy” This study found that combining micro-needling, low-level laser therapy, and autologous non-activated platelet-rich plasma increased hair density in patients with androgenic alopecia over the treatment period.
September 2026 in “Aesthetic Surgery Journal” This study found that autologous non-activated platelet-rich plasma (A-PRP) was effective and safe for treating androgenetic alopecia, showing long-term improvement in hair density, thickness, and count.