Celebrity manicurists explain the difference between various devices, and share their top tips for choosing a reliable one ...

And, to be honest, of course they couldn’t ... A professional grade-light, SunUV uses UV LED light to cure gel nail polish in various time increments, either 10, 30, 60, or 90 seconds.

As it turns out, she uses UV gel nail polish. It’s much more durable than standard air-dry polishes, but it requires UV light to cure. [Becky] bought a lamp to use at home, but it’s very ...