Aveda's lightweight, heat-activated blow dry treatment provides an anti-frizz shield for 72 hours. Each strand of hair is wrapped in an invisible anti-humidity shield locking out humidity and keeping frizz-prone styles 5x smoother and sleeker for longer. The 100% vegan formula also contains UV filters, protecting your shiny sleek blowout from the drying effects of the sun and heat styling up to 450°F. Anti-frizz, plant-derived technology: Plant polymer shield - An invisible polymer instantly cloaks hair strands and repels water, giving silicone-free protection. 99% naturally derived*Botanical smoothing oil blend - Features Kalahari melon seed oil and Tamanu oil. Smooths and conditions cuticles for softness and shine. Suitable forAll hair types: Fine, medium, thick. All textures: Straight 1A, Wavy 2A-2C, Curly 3A-3C.Safe for colour-treated and chemically processed hair. 95% naturally derived* 100% Vegan. Cruelty free. *From plants, non-petroleum minerals or water, on average per ISO standards.