Directions: Wash affected area and dry thoroughly. Brush on corn or callus only, not on healthy skin. Let dry. Repeat this procedure once or twice daily as needed for up to 14 days (until corn/callus is removed). You may also soak corn/callus in warm water for 5 minutes to assist in removal.Warnings: For external use only. Do not use this product on irritated skin, or on any area that is infected or reddened, if you are a diabetic, or if you have poor blood circulation. If discomfort persists, see your doctor or a podiatrist. Extremely flammable. Keep away from fire or flame. Cap bottle tightly and store at room temperature away from heat. If product gets into eye, flush with water for 15 minutes. Avoid inhaling vapors.Inactive Ingredients: flexible collodion, isopropyl alcohol. Estimated delivery time of 3 – 5 Business Days.