Brittle Nails

Your fingernails and toenails are made up of layers of a protein called keratin. Healthy nails are smooth and strong with even coloring and no spots or discoloration. Sometimes healthy nails can become brittle.

Brittle fingernails tend to be noticed much sooner than brittle toenails, but both the nails on your fingers and the nails on your toes can become brittle for various reasons.