January 2017 in “Journal of cosmetology & trichology” In this study, polydioxanone threads significantly reduced hair loss and promoted hair regrowth in patients with androgenetic alopecia who did not respond to minoxidil and finasteride.
August 2024 in “International Journal of Science and Research (IJSR)” In this study, 10 men with androgenetic alopecia who did not respond to standard treatments showed significant hair regrowth and satisfaction after being treated with polydioxanone scalp threads, suggesting a potential therapeutic advantage for this approach.
September 2025 in “AESTHETIC OROFACIAL SCIENCE” This study found that polidioxanona threads increased hair density and satisfaction in treating various types of alopecia, with no adverse events reported, though the small sample limits broader conclusions.
January 2021 in “Hair therapy & transplantation” This study reports encouraging results in treating androgenetic alopecia by combining injectable PRF and PDO thread insertion on the scalp.
January 2023 in “Al-Azhar International Medical Journal (Print)” This pilot study found that using polydioxanone monofilament threads for scalp stringing resulted in significant hair regrowth and increased hair density in male patients with vertex androgenetic alopecia (crown baldness) over six months, showing favorable and promising outcomes.