canesten af dual action cream contains an antifungal ingredient which effectively treats athlete's foot & jock itch.the active substance in canesten af dual actioncream is clotrimazole. clotrimazole belongs to agroup of medicines called imidazoles & is anantifungal agent which fights the cause of fungalskin infections., treats athlete's foot & jock itch active antifungal ingredient clotrimazole fights the cause of fungal skin infections