Flexible Wearable Reverses Baldness With Gentle Electric Pulses

Why waste the energy used to tilt one’s head or digest food? University of Wisconsin-Madison engineer Xudong Wang is an expert at harvesting the body’s mechanical energy to power devices, such as an electric bandage that accelerates healing and a stomach implant that subdues hunger.

Now, Wang’s team is back with a self-powered wearable to tackle an age-old nemesis: hair loss.

Wang’s lab has created a motion-activated, flexible wearable that promotes hair regeneration via gentle electrical stimulation. They describe their work in a study published this month in the journal ACS Nano. In rodents, the device stimulated hair growth better than conventional topical medications.

The device can be discreetly hidden under a baseball cap, says Wang. He hopes to begin a clinical trial with humans within six months.

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