Scholl freeze verruca and wart remover is clinically proven to be as effective as the liquid nitrogen freezing method used in hospitals and clinics effective and easy to use it works by rapidly freezing the wart or verruca after application the wart or verruca will usually fall off within 10 14 days and new skin will grow in its place one single treatment is usually sufficient more stubborn or persistent warts or verrucas may require 2 3 additional applications contains 12 applications