American Crew Boost Powder Anti-gravity volume powder with matte finish. Give hair lift, thickness and a matte finish with American Crew Boost Powder. This weightless powder adds grit for dramatic, gravity-defying texture. And, it can be layered with virtually any other American Crew styling product. Propylene Glycol: Retains natural moisture and softens hair. Silica Silylate: Provides flexible hold and thickens hair. Citric Acid: Revitalizes and restores hair. Directions Tap the container a few times to loosen Boost Powder and then pour a small amount into your hand. Sprinkle it lightly and evenly on dry hair, making sure the product falls to the root for maximum lift and separation. Combine with Fiber Cream or other American Crew styling products for enhanced volume and styling options.