Sebastian Professional Shine Define is a lightweight mist that provides unbeatable shine and moveable control to your hair. Containing heat activated thermal protection, its ideal for use with heat stylers as it protects your hair whilst sealing in shine. This shine-enhancing and flexible hold hairspray protects your hair from hot tools, whilst conditioning it with a natural, brushable sheen and irresistible definition.To use: Apply to dry hair. Spray in small sections before using hot tools. Spritz on any finished style for flexible hold and shine finish.