Glass nail files have been around since the late '90s. Here, manicurists reveal whether they're worth incorporating into your routine.

a crystal or glass nail file is a great option for minimising splitting and weakness and also for getting a nice clean edge. Think of them like a low-impact adaptation of an exercise; they get the ...

Pro tip: Lee recommends filing in a single direction as it's easier on the nail, and that shaping works best with a high-quality file (the O.P.I. Crystal Nail File is great). James is also a fan ...

“I prefer glass or crystal nail files over cardboard emery boards because they don’t cause microscopic openings or tears and instead create a clean edge at the nail,” she says. “In terms of chemical ...