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在线翻译:
szdaily -> Tech and Science -> 
Hat helps reverse hair loss in men
    2019-09-25  08:53    Shenzhen Daily

戴上这款棒球帽, 男人的秃顶有救了

An electric patch makes hairless mice grow fur and may reverse balding in men when fitted inside a specially designed baseball cap.

At the moment, men can treat hair loss using minoxidil* lotion, pills or hair transplant surgery. But minoxidil doesn’t work for everyone, pills can reduce fertility* and surgery is painful and expensive.

Stimulating the scalp with electric pulses has also been shown to restore hair growth. However, it isn’t a very practical treatment because it involves being hooked up to a machine or battery pack for several hours a day.

To overcome this hurdle, Wang Xudong at the University of Wisconsin-Madison and his colleagues have developed a wireless patch that sticks to the scalp and generates electric pulses by harnessing energy from random body movements.

The 1-millimeter-thick plastic patch contains layers of differently-charged materials that produce electricity when they come into contact and separate again — a phenomenon known as the triboelectric effect*.

Wang’s team tested the patch on mice that were hairless because of a genetic deficiency* in hair growth factors. After nine days, 2-millimeter-long fur grew on their skin under the patch.

Studying the skin of the mice under a microscope revealed that the patch seemed to work by stimulating* the release of natural chemicals that encourage hair growth such as keratinocyte* growth factor and vascular endothelial* growth factor.

Wang also tested the patch on his father, who has been going bald for the past few years. “It helped him to grow a lot of new hairs after one month,” Wang says.

However, the hat will only work on men who are currently losing their hair or have recently become bald, because the skin loses its ability to generate new hair follicles* after many years of baldness.(SD-Agencies)

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