We all know the importance of following a healthy lifestyle: We’re happier, we have more energy and we look good. But in addition to healthy eating, regular exercise is also the key to not only feeling good, but looking our best. That’s right, those A.M. workouts do more than put you in a tranquil mindset and keep your bod tight—they also benefit your hair, nails and skin. Read on to discover why working out may be the best way to get the hair, skin and nails of your dreams.