Take a close look at your fingernails. Are they strong and healthy looking? Or do you see ridges, dents, or areas of unusual color or shape? Many less than desirable nail conditions can be avoided through proper fingernail care. Others might indicate an underlying condition that needs attention.…

1. She keeps her hands very clean. Before you do anything, it’s important to make sure your nails and the skin around them are thoroughly dirt-free. Then remove all traces of your last color with an acetone-free remover (anything else unnecessarily dries out your nail). Dr. Ava Shamban, author of…