Neutrogena T/Gel Therapeutic Shampoo Extra Strength effectively controls the most resistant scalp conditions with twice the amount of active ingredient. This dermatologist-recommended formula contains Neutar, a patented ingredient that is proven to deliver effective scalp therapy for hours after the shampoo is rinsed out. Its rich, amber formula gently cleanses and the added conditioners leave hair manageable and soft. Controls the symptoms of dandruff, seborrheic dermatitis, and psoriasis.