Contains TRICHLOROACETIC ACID, SALICYLIC ACID and GLYCEROL. for the treatment of common warts, callouses and corns. Directions: Apply a piece of thick adhesive tape with a hole cut in the middle for the lesion. Apply paste to the lesion & cover the whole area with a second piece of tape. Keep dry & intact for one week. File down the lesion & reapply the paste as needed.