March 2013 in “CRC Press eBooks” This review discusses the development and history of follicular unit transplantation and reports no new clinical results.
May 2026 in “Dermatology Online Journal” This review examined three studies on dermaroller monotherapy for hair loss, finding inconsistent efficacy and diverse methods, with risks of follicular damage and infection noted; standardized protocols are urgently needed for safe practice.
March 2021 in “CRC Press eBooks” This review details the evolution of hair treatment techniques, focusing on the application of microneedling for hair stimulation and drug delivery, but offers no new clinical findings.
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August 2023 in “Advanced Drug Delivery Reviews” This review discusses various microneedle technologies for long-acting drug delivery, highlighting design considerations and challenges in bringing these minimally invasive devices to market, but it reports no new clinical results.
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.