They can run vertically from the cuticle to the tip of the nail (known as longitudinal ridges) or horizontally across the nail (known as Beau lines). Most fingernail ridges are harmless ...

"If there is a temporary break in nail growth, this results in a visible indentation known as Beau's lines," says the expert. Here are 8 common causes of ridges in nails you should know: Vertical ...

Horizontal ridges in your nails are called Beau's lines. This is a separate condition from onychorrhexis. These ridges are usually deeper than vertical ridges. While onychorrhexis is more likely ...

Nails can say a lot about your overall health ... Horizontal ridges, also known as Beau's lines, happen due to reduced nail matrix activity, or when your body works overtime against an illness.