It has been conventional wisdom that switching to nail dryers that use LED lights instead of UV makes curing nail polish under lights completely harmless.  This is not so.  LED lights pose the same risks.  We suggest applying a sunscreen or putting on fingertip-less gloves before going under the lamp.    Some units do allow you to turn the lights off and dry only under the fan.  This, of course, is an excellent option when available.  To learn more about getting the safest possible manicure watch this: