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 Overnight leave-on treatment, clinically proven to increase hair density associated with scalp surface oxidation. High potential to neutralize free radicals, avoiding possible damages on the scalp. Clinically tested to reduce hair fall. Boosts the hair density after just 8 weeks and even higher decrease after 16 weeks of usage. Dermatologically tested and anti-aging intensive treatment - to use with the 3 Step