Vichy Anti-Dandruff Scalp Shampoo Is Designed To Reduce Dandruff, Eliminating Up To 100% Of Visible Flakes And Providing Anti-Dandruff Protection For Up To 6 Weeks. Containing Selenium Ds, Salicylic Acid, Ceramide And Menthol, The Shampoo, Scalp Is Left Feeling Purified, Smoothed, Cleansed And Excess Sebum Reduced. Formula For Normal To Oily Hair.