CLINICALLY PROVEN: Dandruff stays off your head & shoulders with this dandruff treatment shampoo that helps relieve itchy & flaky scalps. When using your regular shampoo and conditioner use twice a week between washes. Works on all hair types & gray hair. KETOCONAZOLE: This dandruff relief shampoo is made with ketoconazole 1%, an effective ingredient that binds to your hair's natural protein to kill dandruff. Your scalp remains flake-free with the shampoo's thick lather & leaves hair manageable & shiny. ITCHY SCALP: Dandruff is caused when scalp-cells regenerate at an accelerated rate faster than scalps can handle. With hormones, diet, stress & genes, dandruff can be fought with the clinically proven anti-dandruff shampoo Nizoral, with ketoconazole 1%. DANDRUFF TREATMENT: Clinically proven Nizoral helps maintain a healthy scalp with the anti-dandruff shampoo that kills dandruff & controls itchiness & flaking. A soft shampoo with ketoconazole, use it twice a week between shampoos for a flake-free scalp. ANTI DANDRUFF: Fight dandruff and flakiness with Nizoral A-D