July 2025 in “Interdisciplinary materials” This study found that a microneedle patch integrating curcumin-loaded vesicles and a stem cell-derived matrix showed promise in reducing hypertrophic scars and promoting hair follicle formation in a rabbit model.
June 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” This study tested a microneedle patch on rabbit and pig models to support skin regeneration, revealing that the treatment accelerated wound closure, reduced scar formation, and promoted hair-bearing tissue and follicle growth, suggesting a trauma-guided framework for skin restoration.
17 citations
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February 2025 in “Smart Medicine” In this study, a multifunctional microneedle patch made from silk fibroin-methacryloyl and gelatin methacryloyl was reported to significantly prevent bacterial infection and promote wound healing in vivo due to its antimicrobial silver nanoparticles and VEGF-loaded tips.
192 citations
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April 2019 in “ACS nano” In a mouse model, this study demonstrated that a microneedle patch system using keratin and integrated with MSC-derived exosomes and UK5099 promoted hair regrowth more efficiently than traditional delivery methods.
31 citations
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July 2022 in “Advanced healthcare materials/Advanced Healthcare Materials” In this study, researchers developed a drug-free microneedle patch using chitosan lactate and stem cell-derived exosomes that significantly promotes hair regeneration in animal tests compared to minoxidil, highlighting its potential as a simple and efficient hair loss treatment.