Selsun Suspension is a topical medicated shampoo that has selenium sulphide (2.5%), which helps to treat and control dandruff through its unique dual-action benefit. It kills the root cause of dandruff i.e. certain types of fungi whose overgrowth on the scalp causes dandruff. It helps prevent build-up of skin cells, preventing flaking and itching of scalp. Selsun is an anti-dandruff shampoo for both men and women and comes with an improved fragrance.