TRESemmé Keratin Smooth Heat Protect Spray, which helps shield hair from heat up to 450°F, so you can smooth your way to professional-quality polish. TRESEMME KERATIN SMOOTH HEAT PROTECT SPRAYWant smooth and easy to style hair? TRESemmé Keratin Smooth Heat Protection Shine Spray helps protect hair. Heat defence spray is your new BFF.Heat styling is a great way to transform frizzy hair into smooth locks. But if you don't protect your hair, you could end up with dry, damaged hair that‘s frizzier than ever. Heat protect spray helps shield hair from the damaging effects of heat styling—and seals in shine After shampooing and conditioning, lock in your style with TRESemmé Keratin Smooth Heat Protect Spray, which helps shield hair from heat up to 450°FFor optimal results, use after TRESemmé Keratin Smooth shampoo and conditioner.