What it is: A lightweight, heat-activated blow dry treatment that provides an antifrizz shield for 72 hours. Who it's for: All hair types.What it does: With this spray, each strand of hair is wrapped in an invisible antihumidity shield locking out humidity and keeping frizz-prone styles 5x smoother and sleeker for longer. UV filters, protect your shiny sleek blowout from the drying effects of the sun and heat styling up to 450°F, while the plant polymer shield instantly cloaks hair strands and repels water, giving silicone-free protection. How to use: Blow dry thoroughly to activate and seal in the formula. For best results, do not apply with any other pre-styling products.Pro tips: Pro Tip Perfect blow dry works best on damp hair and requires heat to activate. 1.7 oz. Cruelty-free Vegan Made in the USA