Klozen Plus - a medicated anti-Dandruff Soap, is one of such products. This anti-dandruff solution consists of anti-dandruff ingredients like Ketoconazole with ZPTO. Ketoconazole is a synthetic antifungal drug used especially in the treatment of seborrheic dermatitis (a kind of dandruff). It is highly efficient in clearing scalp seborrheic dermatitis and dandruff by stopping the growth of fungus.