Use daily for 4 weeks. This product is not effective on the scalp or nails. Wash the affected area and dry thoroughly. Apply a thin layer of the product over the affected area twice daily (morning and night) or as directed by a doctor. Supervise children in the use of this product. For athlete's foot: Pay special attention to the space between the toes. Wear well-fitting, ventilated shoes. Change shoes and socks at least once daily.