June 2026 in “Frontiers in Cell and Developmental Biology” In this review, researchers examined how needle gauge and length impact the viability of human stem cells during injections, emphasizing the balance between minimizing tissue trauma and preserving cell viability to optimize clinical protocols.
11 citations
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November 2023 in “Skin Research and Technology” A 2 mm needle is effective and precise for skin injections.
1 citations
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May 2013 in “Polymer-korea” This study found that using dissolving micro-needles with minoxidil promoted more hair growth in an animal model compared to minoxidil treatment alone or no treatment.
January 2021 in “Advanced Biomedical Engineering” This study found that hair implant needles with longer point lengths and smaller bevel angles required less total work for insertion, which corresponded with surgeons' perceptions of insertion force differences.
January 2013 in “프로그램북(구 초록집)” This study found that using a 0.5mm roller for microneedle therapy increased hair growth in mice and significantly affected the expression of hair growth-related molecules like VEGF.
