NEUTROGENA T/GEL® Therapeutic Shampoo contains Neutar Solubilised Coal Tar extract, which treats itchy, flaky scalp. It is an effective treatment for dandruff, scalp psoriasis, and seborrheic dermatitis of the scalp. This triple-benefit shampoo alleviates itching, reduces flakes, and calms redness. Its distinct Coal Tar formula is proven to help treat your scalp, offering effective treatment for scalp psoriasis, seborrheic dermatitis, and dandruff. It helps treat your scalp and cares for your hair. This dermatologist-tested shampoo is from the #1 dermatologist-recommended brand. The original therapeutic formula helps control scalp itching and flaking caused by chronic scalp psoriasis, seborrheic dermatitis, and common dandruff. It contains coal tar extract, which scientific tests have proved continues to work for hours after the shampoo is rinsed off. How to use: For best results, use at least twice a week or as directed by a doctor. Massage shampoo into your scalp, lather, leaving on your hair and scalp for several minutes, and then rinse.