Can a vitamin deficiency cause blue nails? A vitamin B12 deficiency can cause bluish discoloration of the nails or blue-black ...

If you are looking for blue nail designs for short nails, you’ve come to the right place because we have the scoop for you!

Until spring rolls around in a couple of months, we'll be feeling blue — in the most literal sense of the word.

Blue nails, on the other hand, are a sign that the body might be lacking oxygen. It could be a sign of serious heart disease or emphysema and is something you should get checked out by a doctor as ...

From sweet pale blues to deep teal and rich navy, we love how blue nails make us look and feel. Whether they're as moody and deep as the midnight sky or sparkling and sunny like a vacay swimming ...

Session manicurist Ami Streets agrees. 'Navy polish is always in style and instantly adds edge to any ensemble,' she tells ...

Emily is a New York-based writer and InStyle's evergreen and special projects editor. A rich navy blue is lent even more dimension by a metallic finish. It features a metallic cat-eye polish ...

revealing her natural nails underneath. And what makes them so perfect as a transitional shade from winter to spring is that stunning shade of bright baby blue. On one hand (no pun intended ...