Big hair starts here. Thicken as you blow dry. Magnificent thickening effect gives manageability for fine, thin hair and anyone who wants big volume. Color safe & free of Gluten/Parabens/Sulfates � Safe for all hair types. Apply to towel-dried hair and blow dry from roots to ends. Use a round brush for a smooth, full finish Power dry hair upside down for a big, glam look.