Compound W(R) One Step Invisible Pads Salicylic Acid Wart Remover medicated strips conceal and provide you with discrete protection, while also delivering maximum strength medication for common and plantar warts. The wart stops here. Compound W (R) offers advanced wart treatment technology. From gels and liquids to freezing methods, there's a Compound W (R) product that's just right for you. Contains 14 medicated pads.