Looking to add more volume to your hairstyle? There are mousses, gels, creams, and sprays galore to choose from, but we say you only need one product and a blow dryer. Heat and the Neil George Volumizing Spray ($24) swells the cuticle of the hair shaft allowing it to feel fuller and thicker. The light mist provides all-over and even application without the feeling of product build-up. This can be used on all hair types and was specifically formulated for fine and limp hair. Spray all over towel dried hair and blast dry, using a round brush to smooth your ends.