Developing microRNA-based treatments is hard but has potential.
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July 2020 in “Science Advances” Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.
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March 2020 in “Cellular Signalling” XIST RNA helps regenerate hair follicles by targeting miR-424 and activating hedgehog signaling.
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January 2021 in “Journal of Clinical Medicine” Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.
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July 2022 in “Frontiers in cell and developmental biology” Tiny natural vesicles from cells might help treat hair loss.