When your itchy, dry dandruff scalp and hair need moisture and relief, choose Selsun Blue Moisturizing Anti-dandruff Shampoo with Aloe. It's tough on dandruff like you expect from Selsun blue with the extra benefit of aloe to moisturize dry hair. Selsun Blue Moisturizing anti-dandruff shampoo is a maximum strength formula with 1% selenium sulfide as the active ingredient to help prevent and eliminate itchy scalp and visible flakes associated with dandruff.