MEDICASP tar gel dandruff shampoo reduces itching, redness, irritation, flaking and scaling associated with dandruff, seborrheic dermatitis or psoriasis. Helps prevent recurrence of the symptoms of dandruff. With Coal Tar (0.5%). Refresh Your Scalp: Get rid of the itching, burning, flakes and scales that come from dandruff with this fast-acting, long lasting formula that leaves your scalp feeling fresh and clean. Effective Treatment: Dermatologists have been prescribing coal tar for more than 100 years to treat scalp psoriasis and dandruff. Medicasp Results: Use twice a week to control and fight the symptoms of Dandruff, Seborrheic Dermatitis and Scalp Psoriasis and help prevent the recurrence of scalp itching, redness and irritation associated with dandruff