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 Ultimate scalp care: Provides optimal scalp care alongside hair thickening treatment to promote the appearance of thicker, stronger hair. Defends Against Breakage: This treatment helps to strengthen the hair shaft, defending against breakage and promoting healthier, more resilient hair. Nourishes and Hydrates: The nourishing formula of Density Defend provides essential nutrients and hydration to the scalp and