Wart Liquid Remover, .31 oz, QC99383 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to the Active Ingredient in Compound W Wart Remover. For the removal of common and plantar warts. The common wart is easily recognized by the rough cauliflower-like appearance on the surface. Includes brush applicator.