American Crew's Boost Shampoo is the ideal first step in your fine hair styling routine. After cleansing, this volumizing shampoo creates the appearance of fuller-looking hair and provides instant lift. This specially formulated shampoo acts as a pre-styling product for men seeking hydrated and nourished hair without being weighed down. It gently cleanses while balancing the scalp's microbiome, making hair more manageable and easier to style. Prepare thin hair for the ultimate volume with our transformative Boost pre-styling shampoo. For best results, follow with the American Crew Fiber Styling Puck.