It's tricky to keep your skin looking great--but the right healthy habits and the careful use of makeup can make a world of difference. It's as simple as knowing which products and treatments work best for your skin type, whether it's oily or dry. Once you're taking good care of your skin, it's easy to use makeup to enhance your natural beauty. Discover how to make your own skin-care products and perfume. And learn how to choose among different kinds...