Intensive treatment once or twice per day for first 5-7 days. Thereafter, two to three times per week until the desired result is achieved. For nail fungus and verrucae, persistence and regular foot baths will be required until the nail has fully grown out or the verruca has completely gone. This process can take several months. In order to maintain and / or improve general foot health, do a BioCool foot bath two to three times per week.