Daktarin Gold 2% Cream Daktarin Gold 2% Cream treats the skin infections athlete's foot, tinea cruris (jock itch) & sweat rash in adults. The active ingredient is ketoconazole, which quickly relieves itching & destroys the fungi & yeasts that cause these infections. Daktarin Gold 2% Cream provides long lasting protection from athlete's foot as it will continue to work even after you have stopped using it.