Daktarin Intensiv Cream Daktarin Intensiv Cream treats the skin infections athlete's foot & tinea cruris (jock itch) in adults. The active ingredient is ketoconazole, which quickly relieves itching & destroys the fungi & yeasts that cause these infections. Daktarin Intensiv Cream provides long lasting protection from athlete's foot as it will continue to work even after you have stopped using it.