It's time to wake up your hair and boost growth with our most popular range, powered by caffeine. Meet the bestselling Intense Collection: expertly formulated to re-energise roots and stimulate strands for fuller, thicker hair that looks and feels better than ever. The collection includes a nourishing shampoo, conditioner and mask rich in moisture-boosting Niacinamide to support the scalp's natural protective barrier. Don't forget the iconic Hair Density Serum Intense – our bestselling serum formulated with an extra kick of high-performance active ingredients for visibly fuller, thicker hair. Shop the range of full-size products, bundles and minis today and get ready to satisfy your caffeine fix.