High-density at your fingertips. Our powerful treatment for thinning hair is proven to leave hair feeling thicker, fuller and healthier. The ultra-lightweight formula instantly plumps hair at the root while creating denser-looking strands over the course of three months. Promotes fuller, thicker, healthier looking hair Energizes, hydrates, refreshes and balances scalp Adds volume, body and density Provides antioxidant protection against free radical damage and the elements Fragrance-free  Formerly called Serene Scalp Thickening Treatment Spray. New look, same trusted formula.