![]() They’re so powerful that she didn’t know how they would compare to the UV exposure people get by being outdoors. LED lamps have much shorter curing times, but that’s because the UVA rays they emit are much more intense than regular UV lamps or even the sun, Adigun said. To harden gel nail polish, people place their hand under a lamp that emits UVA rays for anywhere from 30 seconds to a few minutes, depending on the type of the device. ![]() ![]() Here’s the worry: UVA rays are the most mutagenic wave length range of the UV spectrum, penetrating the skin more deeply than UVB rays and playing a role in skin cancer development and premature skin aging such as wrinkles and sun spots. So if there’s no UVA, there is no gel manicure.” “Gels, by definition, need a UVA exposure to polymerize. They have catapulted the nail salon industry into a whole other stratosphere of revenue,” Adigun tells. Chris Adigun, a dermatologist in Chapel Hill, North Carolina, who specializes in nail disorders and who contributed expert advice on the safety of gel manicures for the American Academy of Dermatology. Women may think the LED devices skip or minimize the ultraviolet light, but that’s a big misnomer, says Dr. Some salons use UV nail lamps to cure the polish others use LED lamps. ![]() 17, 2023, is adding to these concerns because it found radiation emitted by UV-nail polish dryers can damage DNA and cause mutations in human cells. And a new study, published in Nature Communications on Jan. ![]()
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