Ah, the ultimate Catch-22: If your hair is greasy, experts will tell you to stop washing it daily. But (depending on your texture, of course) if you don’t wash it daily, it gets…greasy. So what’s a girl to do? Dry shampoo. This one is an all-natural and surprisingly simple blend of four starches — arrowroot and rice powder, kaolin clay, and baking soda — plus two essential oils (rose geranium and palmarosaa) for a light, blossomy scent. The sprinkle-on formula takes a little getting used to, though the non-aerosol delivery system is less potentially harmful to your lungs