We are Nioxin, the #1 Professional brand for thicker, fuller hair. We are pioneers of a hair movement that's never going to stop. We believe everyone should experience the uplift that comes from having hair that looks and feels the way they actually want it to: Thicker. Fuller. Healthier. Built on a legacy of clinically proven solutions, we turn scalp science into true scalp care and hair thickening products. The kind of products with proven results. Because everyone, yes everyone, deserves to grow thicker, fuller hair they can see and feel. Nioxin Grows Results(TM). TEST RESULTS Protects Hair Follicle: Nioxin Hair Booster Serum creates a barrier for hair cuticles, protecting them against any damage. Protects Hair Thickness: This advanced treatment protects the diameter of hair strands, making the hair look thicker. Targeted Solution: Formulated specifically for progressed thinning hair, Nioxin Intensive Hair Booster provides a targeted solution for areas of concern like receding hairl