"Only recently have we started to talk about the effects of visible light on the skin - not necessarily LED light, but visible light in general," says Dr. Those are the sun’s rays that age the skin, leading to wrinkles and discoloration. ![]() Then, the focus shifted to ultraviolet A rays, or UVA. First, they focused their attention on the so-called burning rays of the sun, or ultraviolet B radiation, more commonly referred to as UVB. About LED skin therapiesįor many years, scientists have studied how the sun’s rays affect the skin. "I think it’s a really exciting emerging area," she says. Elizabeth Buzney, assistant professor of dermatology at Harvard Medical School. Some small studies have shown promise for certain conditions, says Dr. ![]() The question is, are these claims true? Can LED light devices really do all these things for your skin? And more importantly, are they safe?Įxperts say that it’s too early to know whether these devices are effective. If you’ve visited a spa or even a drugstore lately, you’ve probably seen one of the growing number of treatments and products on the market. ![]() They’re touted to treat everything from wrinkles, redness, and signs of aging to acne, scarring, and dark spots. The claims about light-emitting diode (LED) skin devices certainly sound appealing. There is some evidence they work, but it’s far from conclusive.
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