Selerex Anti Dandruff Shampoo is a medicated shampoo formulated to target and control dandruff. The 200ml shampoo contains selenium sulfide as its active ingredient to effectively combat flaking and itching associated with dandruff. This is a pure medical grade anti-dandruff shampoo that helps treat and prevent dandruff through its selenium sulfide formulation. The selenium sulfide works by targeting the source of dandruff to provide relief from flaking and scalp irritation. As this is a medicated personal care product, please follow usage instructions carefully and discontinue use if irritation occurs.