Whether it be a fungus or a shorter cycle for skin on the scalp to regenerate, dandruff causes the scalp to itch and shedding skin in large, oily clumps that become visible. Formulated with active and hypoallergenic ingredients like Selenium DS, Salicylic Acid, Ceramide and Menthol, Dercos is the best anti-dandruff shampoo to exfoliate visible dandruff from the very first application and helps prevent its return.