Did too many gel manicures leave your nails dry and brittle? Never fear -- we have you covered! Too much experimentation with heavy-duty lacquers can leave your nails damaged and prone to breakage, so we spoke to top New York City dermatologists to find out how you can nurse them back to top form. Whether you hit the salon once a week or once a season, you can keep nails super-tough and snag-free with these handy pointers. Click the photo to see how you can keep your digits healthy in your 20s, 30s, 40s, and beyond!