American Crew Classic Boost Powder Adds lift and grit for dramatic, gravity-defying texture. Can be layered with virtually any other American Crew styling product. Anti-gravity powder with a matte finish, builds texture. Part of the new American Crew Curl & Boost collection of specialized styling aids, developed specifically for thinning and curly hair. Top the pack a few times to loosen Boost Powder and then pour a small amount into your hand. Sprinkle it lightly and evenly an dry hair, making sure the product falls for maximum lift and separation. Combine with American Crew Boost Cream or other American Crew products for enhanced volume and styling options.