“Hold the nail file at a 45-degree angle at the nail’s corner to begin rounding the corner of the free edge,” says Dunne.

Filing your nails is a good way to keep a uniform length and shape. However, it’s easy to file your nails incorrectly, which can lead to jagged, frayed nails, and even nail bed or cuticle damage.

You don’t need to use it in just one direction, but do file gently to avoid damage. Fingernails should be given a curve, while toenails should be cut straight across, to prevent ingrowth.

An expert explains why keeping your nails short is likely the best way to keep bacteria at bay ...

<p>If, despite your best efforts, your nails always seem to split and chip before they get to a reasonable length, it could be your filing technique that's at fault, says Lynn Shaw.