Griff

Massimo Verified account @Rainmaker1973 · 4h

An experimental hair comb featuring electrified teeth has successfully restored nearly all lost hair on balding skin within a single month during preclinical testing. Engineered by a research team at Beihang University in Beijing and detailed in Nature Communications, the bioelectronic device is named Detangle. Its specialized teeth integrate microscopic electrodes positioned at varying heights alongside compact drug-loading chambers. With each brushing stroke, the system generates a localized electric field that penetrates approximately nine times deeper into the hair follicles than standard electrodes placed flat against the surface of the skin.

This targeted electrical pulse simultaneously stimulates the hair follicles and temporarily increases cellular permeability, enabling the comb to deliver two distinct genetic payloads directly into the target cells. The first payload is a plasmid carrying the gene for vascular endothelial growth factor A (VEGF-A), a signaling protein that promotes the formation of new blood vessels to nourish the follicle. The second is a small interfering RNA (siRNA) molecule designed to silence the enzyme responsible for producing dihydrotestosterone (DHT), the primary androgen hormone that shrinks follicles in pattern baldness. In laboratory evaluations, mice with experimentally induced pattern hair loss were brushed once every three days. Following 30 days of this regimen, the treated bald patches regrew nearly 100% of their hair.

Androgenetic alopecia, commonly known as pattern baldness, represents the most widespread form of hair loss, yet existing therapies carry notable limitations. Oral medications that inhibit DHT synthesis can trigger systemic side effects throughout the body, whereas topical solutions like minoxidil often fail to penetrate deep enough into the dermal layer to achieve consistent efficacy. Integrating targeted follicular delivery directly into a routine grooming tool offers a practical way to bypass both obstacles.

Despite these promising findings, all current data stem exclusively from preclinical trials in mice with artificially induced hair loss. Because human scalp architecture and endocrine profiles differ substantially from rodent models, clinical trials are necessary to determine whether the device will perform safely and effectively in people.

[Liu, F., et al. (2026). Combing-triggered electrostimulation synchronizing deep delivery for rapid hair regrowth in androgenetic alopecia. Nature Communications. DOI: 10.1038/s41467-026-79122-3]

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Hector Drummond Verified account @hector_drummond · 1d

Being objectified is bad until it stops happening.

Also, this is what it's like for most men for their whole life. They don't whine about it.

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