Our therapeutic scalp shampoo is a dermatologist recommended formula designed to clear crusty scalp build-up while relieving itching and flaking associated with severe scalp conditions, like dandruff and psoriasis. This effective formula contains 3% Salicylic Acid, a clinically proven, active ingredient that can be used as the first step in any scalp routine. Its clear formula is free of added color, preservatives and fragrance.