The heat is on! Curling wands, flat irons, blow dryers, mermaid wavers - heat styling causes damage, breakage, split ends and dry hair. Stand up to heat styling with our Keratin Smooth Heat Protection Spray, made to prep and protect your strands up to 450°F. Our heat protecting formula is designed to enhance hair's flexibility and help it hold its shape, all while fighting heat damage. Give your hair the heat protection it needs to banish frizz, once and for all. This lightweight spray also gives your hair softness and shine, so you can style away. Perfect your Sleek & Straight look in 3 easy steps. Prep strands with Keratin Smooth Shampoo and Conditioner, then style with Keratin Smooth Heat Protecting Spray. Hold the bottle 6-8 inches away from your hair and spray it liberally onto damp or dry hair before applying heat. Finish with our Keratin Smooth Anti-Frizz Hairspray. Voila! Enjoy your gorgeous, smoother, sleeker hair. Since 1948, TRESemmé has been dedicated to providing professional-quality results to empower YOU to express your style. Our unique formulas are PETA-approved and made with carefully selected ingredients, and TRESemmé never tests on animals. We're always made with intention and inspired by the latest trends and style.