Progressively straightens curls with every use. As you blow-dry your hair, plant-derived fibers help create a locking layer to help hold your hair straight, day after day. Organic cassava root helps form a barrier against intense humidity to help you forget about frizz. Straight styling becomes faster and easier. 150ml "Art and Science of Pure Flower and Plant Essences" calls for ingredients of the highest integrity. Our mission at Aveda is to care for the world we live in, from the products we make to the ways in which we give back to society.