Compound W Wart & Verruca Remover 17% 6.5ml Compound W is used for the treatment of common warts & verrucae. Common warts have a thick cauliflower-like surface. Verrucas occur on the sole of the foot & may get covered under hard skin. Compound W Warts aims to remove unsightly skin growths, commonly known as warts that may cause you or your child personal embarrassment. It contains the maximum strength formulation for the removal of common & plantar warts caused by HPV. HPV Warts appear on the outer layer of the skin. They are rough pinkish bumps, usually harmless but are contagious. Warts are caused by the human papilloma virus (HPV), & there are hundreds of HPV varieties available, each one affecting a different body part. Genital warts are the most dangerous. When contracted by a woman, they grow inside the vagina. &, if left untreated, they cause cervical cancer. With its easy-to-use & convenient brush applicator & maximum allowable OTC strength formula, removing warts is effective.