Canesten dual action Spray Canesten dual action Spray is a convenient, cooling spray which eradicates Athlete's Foot, fast. Ideal format for reaching those difficult to reach areas. Canesten dual action Spray can also be used to treat jock itch. Ingredients The active ingredient is Clotrimazole (1% w/w). The other ingredients are Isopropyl Alcohol, Propylene Glycol & Macrogol 400 Directions Adults, elderly & children: apply thinly 2 or 3 times daily for at least one month. Infected feet should be washed & dried especially between the toes, before application.