Ketoconazole 20mggtreats amp prevents dandruff amp seborrhoeic dermatitisdry flaky red itchy scalpfor a healthier scalpup to 5 months treatmentnizoral174 dandruff shampoo not only treats and prevents dandruff but also the inflammation associated with dandruff relieving scalp redness and itchingits targeted action specifically treats the underlying cause of dandruff yet it is pleasantly gentle to your hair and odour free