One of the simplest ways to fingernail care is through a well-planned and balanced diet. The right kind of foods added in your regular diet can easily bring a healthy glow to you fingernails and enhance your overall appearance. However, it is important to remember that nails are made of keratin (a hard protein), which enables the nails to protect your fingers and toes from injuries. Similar to hair and skin, negligence and poor diet may reflect in weak and brittle nails, leading to ugly looking hands.so nails care is very important.While some nails benefit from not using polish, mine seem to love the stuff. If they are polished, I seem to notice them more and devote a little more attention to them.