Dr. Scholl's FreezeAway Wart Remover removes warts fast with as few as 1 treatment. It is doctor recommended for common plantar warts. It starts working instantly. It can be used discreetly for at home wart removal. It is safe to use on kids ages 4 and older. The package contains 7 applications. Dr. Scholl's has been a trusted brand in foot care since 1904 when Dr. William Mathias Scholl, grandson of a cobbler, launched the company under the name Dr. Scholl Inc.STARTS WORKING INSTANTLY. SAFE TO USE on kids 4 and older. Although cryotherapy can be performed in your doctor's office, a type of this treatment for common warts on the hands and feet can be done at home. For common warts in adults and older children, cryotherapy is the most common treatment. Freezing is safe and often used for plantar warts.