Schwarzkopf Session Label The Thickener, this blow dry spray not only shapes and controls your hair, but it also protects against damage.  It bulks up hair and adds grip without stickiness. Leaves hair feeling naturally thicker and adds volume. Makes blow-drying and combing easier. Plus, it's vegan for guilt-free styling. Simply spray onto damp hair and blow dry for a flawless, high-end look.