Nioxin Instant Fullness Dry Cleanser - volumizing dry shampoo for thinning hair, instantly refreshes hair and gives the appearance of denser, fuller-looking hair. As a part of Nioxin Professional hair thickening product line, this daily solution dry shampoo absorbs oil and grease, providing lightweight fullness, helping to prolong the fullness of the 3-Part System Kits. Hair is up to 2x fuller within seconds*! *vs. hair treated with a 24h average amount of sebum. Dermatologically & clinically tested.Nioxin is the N°1 Salon Brand for thicker and fuller hair with more than 30 years expertise in thinning hair.