Tresemme Silky Shine Weightless Hairspray Keratin Smooth for Heat Activated Sleek & Shine, 4.1 oz. Bring on the heat and nail your shiniest styles with Tresemme Keratin Smooth Blowout Shine Spray from our Keratin Smooth Blowout collection. Our professional-quality spray gives your strands an instant mirror shine AND protects hair from heat damage so you can style away. Our formula is a lightweight, oil-free formula that will leave you with a sleek finish that never looks or feels greasy.For best results, apply our Keratin Smooth Blowout Shine Spray throughout damp hair after washing with Keratin Smooth Blowout Shampoo and Conditioner. Touch-up your look with Keratin Smooth Blowout Serum.For over 70 years, Tresemme has been committed to democratizing salon trends, making salon-quality products accessible to everyone, every day making it America's No1 Hairspray brand. For Adult use.