This is an open label exploratory study evaluating the efficacy and safety of ingenol mebutate 0.05% gel for the treatment of verruca vulgaris. The study will be conducted at one site with one investigator, all subjects will receive active drug. Prior to the application of the investigational product (IP) on Day 1, the individual warts will be pared down with a 15 blade up to obtain debridement of intact skin to maximize exposure and allow for effective penetration of therapy into the lesion.