This product is for the treatment of common warts & verrucas,effective and easy to use. It works by rapidly freezing the verruca or wart.It is suitable for use on children aged 4+, based on the freezing method used by healthcare professionalsThe verruca or wart will usually fall off within 10-14 days and new healthy skin will grow in its place. .Do not treat the same verruca or wart more than 4 times in total. Common warts have a raised cauliflower like 34; appearance and are skin coloured, hard and rough. They usually occur on fingers, the backs of hands and the knees.Verrucas are more flattened, have hard outer edges and often have small black spots in the centre. They occur on the ball of the foot, the bottoms of the toes, or on the heel. A single treatment may be sufficient however, for verrucas, additional applications may be required.