Maximum-strength composition Selsun Blue Medicated Anti-dandruff Shampoo for Men helps manage challenging dandruff problems. This maximum-strength anti-dandruff shampoo offers targeted dandruff control to help prevent and eradicate the itchy scalp and noticeable flakes associated with dandruff. It is also fantastic for hair. Menthol is an ingredient in the Selsun Blue medicated anti-dandruff shampoo that gives the scalp a cooling, refreshing, and soothing sensation. Buy enough of 11 oz. So you always have it on hand, buy bottles of Selsun Blue Dandruff Shampoo. Shake vigorously before using. Dry hair, massage scalp, and then rinse. If desired, repeat. Use at least twice a week, or as prescribed by a physician, for greatest effects.