Add Yahoo as a preferred source to see more of our stories on Google. Nails can split for a variety of reasons, experts say. whitemay via Getty Images One day your manicure looks so good, you wonder ...
Vitamin C and biotin to the rescue. I thought I knew what it meant to have weak, damaged nails, but I recently outdid myself. I chalk it up to a combination of subpar health (I’m going through a ...