hi. i looked up the oil of oregano at www.oiloforegano.com/pages/desription.html
it says can be used against warts (read down the page it says how to apply for warts. i also saw it for sale at www.iherb.com there is a bottle listed best seller/ which had like 40 something mgs per serving drop of the oregano and 28.7 of the other ingredient it was like14$ a bottle i think for 1 fluid ounce
thee was another brand there i compared it to with less than half of that as ingredient so read and compare/ the one i saw.saaid best seller next to it/ hope that helps you .. i knew i had seen something about warts SOMEWHERE!!