Fingernail ridges are visible lines or grooves on the nail’s surface. They can run vertically from the cuticle to the tip of the nail (known as longitudinal ridges) or horizontally across the nail ...

Should you trim your cuticles? How do you cut a hangnail? Is it better to use a cardboard or crystal file? Dermatologists and a nail technician share basic nail health tips.

Longitudinal ridging on fingernails or toenails, also known as vertical ridges, are slender raised lines that run from the base of the nail to its tip. Often appearing as faint vertical stripes, these ...

You might think of your nails as merely cosmetic or practical features, good for scratching an itch or holding your favorite nail polish. But these small, seemingly simple structures actually serve as ...