Ionil Treatment Scalp Shampoo therapeutically relieves the itching and flaking associated with dandruff, seborrheic dermatitis and psoriasis of the scalp. Doubly active shampoo that prevents the formation of dandruff. It is indicated for the treatment of seborrheic dermatitis of the scalp, folliculitis, pruritus or excess of sebaceous secretions of the scalp. Ionil Treatment Scalp Shampoo contains no anionic detergents or soaps.