Sometimes a lady just needs to know the most flattering lipstick for her skin tone, or how to correctly use sunscreen, or a very quick hairstyle to conceal her unwashed hair. And there's no reason she shouldn't know which foundation or mascara is best for her, either. All the answers are here, in this top-to-toe beauty extravaganza. Former Cosmopolitan and Harper's BAZAAR beauty director, and the founder of Go-To skin care, Zo