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 Fuller, Thicker-Looking Hair: Diaboost is a hair thickening treatment that enhances the appearance of fuller, thicker hair. Boosts Hair Diameter: This advanced formula boosts the diameter of each individual hair strand, creating a voluminous and thicker look. Strengthens and Protects: The treatment strengthens and protects the hair, reducing breakage and promoting healthier, more resilient strands. Nourishes a