Self-Activated Electrical Stimulation for Effective Hair Regeneration via a Wearable Omnidirectional Pulse Generator

    September 2019 in “ ACS nano ”
    Guang Yao, Dawei Jiang, Jun Li, Kang Liu, Sihong Chen, Yin Long, Yizhan Wang, Peng Huang, Yuan Lin, Weibo Cai, Xudong Wang
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    TLDR A wearable device using electric stimulation can significantly improve hair growth.
    In 2019, researchers developed a wearable, motion-activated electric stimulation device designed to promote hair regeneration through the use of an alternating electric field. The device was tested on Sprague–Dawley rats and nude mice, with the results showing significantly improved hair regeneration compared to conventional pharmacological treatments. The rats treated with the device exhibited higher hair follicle density and longer hair shafts. Additionally, the device was found to enhance the secretion of vascular endothelial growth factor and keratinocyte growth factor, which helped to alleviate hair keratin disorder, increase the number of hair follicles, and promote hair growth in genetically defective nude mice. This study presented a nonpharmacological approach to hair regeneration using a self-powered wearable electronic device.
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