Treat your wart at home! Compound W NitroFreeze is the first and only non-prescription nitrous oxide wart treatment for the fast and effective removal of common and plantar warts. From the Number One most trusted and dermatologist recommended wart removal brand (1), Compound W NitroFreeze starts working instantly and penetrates deep to freeze off the warts, providing the highest cure rate with just 1 treatment (2). Each pack comes with 1 NitroFreeze pen and 5 replacement tips. Safe for use by adults and children 4 years of age and older.