The dreaded broken nail. First thing first: It's important to take proper care to prevent infection and treat the wound. That's where we come in! We reached out to Dr. Dana Stern, a dermatologist specializing in nail care, to discuss what exactly you should be doing to care for your broken nails. Ahead, Dr. Stern, MD, shares her best tips and tricks for combatting broken nails. Plus, we included some of the best YouTube tutorials for the different methods of broken nail care.