The number 1 brand wartner gel pen is suitable for hands and feet only r carefully apply the gel only to the top of the wart or verruca ensuring the entire surface is covered with a thin layer of gel it is very important not to touch the healthy skin surrounding the wart repeat twice daily for 4 days after this time during the next 4 days you can carefully remove the peeling skin under lukewarm water new skin will now form the wart or verruca may start to disappear from the first