A black line on your nail (medically known as melanonychia) causes a streak of dark pigmentation that runs along the nail bed. It can be a normal color variation, especially in people with darker ...

To help us understand what those thin black lines on nails are and how to treat them, we turned to pros. Keep reading for everything you need to know.

Gone are the days when manicures had to be a single pattern, let alone just one color, to be considered fashion-forward.

A black line on your nail may be a sign of regular pigmentation changes, injury, certain medications, or conditions like melanoma or hyperthyroidism.

Leave it to Kylie Jenner to take summer's polka dot nail art trend to a whole 'nother level. The reality star and Kylie ...

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Cardi's nails, which she showed off in a quick Instagram Story over the July 4 weekend, were a long almond shape with a black ...

Black and white manicures always have a sense of depth and dimension. We found 15 sets to bookmark ahead of your next session.

Hailey Bieber is cosigning “ polka dot summer ” in the most Hailey Bieber way possible.

These lines on the nails can also be caused by trauma, infection or medication. Black lines: Black lines on nails indicate a lack of vitamin C, zinc and other nutrients in the body.

Aura nails are the gradient design that's slowly but surely overpowering the tried-and-true ombré. Browse 25 stunning options ...