2% Neutar (coal tar 0.5%). Long-lasting relief of itching and flaking. Starts working after just one use. Dandruff, psoriasis, seborrheic dermatitis. No. 1 dermatologist recommended brand. The No. 1 dermatologist recommended medicated shampoo brand. Neutrogena T/Gel Original Formula Therapeutic shampoo is recommended by dermatologists and clinically proven to control the scalp itching and flaking caused by scalp psoriasis, seborrheic dermatitis, and even common dandruff. Proven effectiveness of 2% coal tar. Effective from the first use. Keeps working long after the shampoo is rinsed off. Gentle enough for everyday use. Alcohol-free.