Denorex Therapeutic Dandruff Protection 2-in-1 Shampoo + Conditioner treats stubborn dandruff and serious scalp conditions. The tingle tells you it"s working, and Denorex leaves your scalp feeling fresh and clean. Fight severe dandruff, psoriasis and seborrheic dermatitis with Denorex Therapeutic Protection. Active Ingredient: Coal tar solution 12.5%v/v...Controls dandruff, seborrheic dermatitis, and psoriasis. 12 FL OZ (355mL)