Discover 7 fingernail changes that reveal dangerous protein deficiency. Your nails expose nutritional problems months before ...

When I recently needed my DIY mani to hold up for a full week until a salon visit, I decided to try Essie Stay Longer Longwear Top Coat, a chip-resistant formula that promises to keep nails looking ...

Biotin promotes the production of keratin, a key protein to strengthen all the three tissues. Its deficiency can lead to ...

Medically reviewed by Jonathan Purtell, RDN Protein serves many vital roles, including forming muscles, bones, skin, hair, and nails, regulating the immune system, and aids brain functioning. As a ...

If your nails are brittle or cracking, it might not just be dry weather. Iron carries oxygen to your nail beds, and without enough, your nails may weaken.