This freezes the wart on the spot, causing the wart to fall off within 10 to 14 days, usually after one application. This is suitable for the removal of common warts and the removal of plantar warts on the bottom of the foot (read the side panels and information leaflet carefully for warnings and cautions) on adults and children over the age of 4. Wart Identification Guide. Common warts are skin-colored, usually appear on the hands and feet, and are easily recognized by the rough, "cauliflower-like"...