ACTIVE INGREDIANTS Salicylic acid 16.7%, Lactic Acid 16.7% PURPOSE/ USE Duofilm l treatment for plantar and common warts, corns and calluses. Simple to use; No masking necessary;Kills warts without hurting. DOSAGE Apply Duofilm to the affected area once a day or as directed. Before applying, soak the affected area in hot water for at least five minutes and dry thoroughly. PRECAUTIONS Do not use if you are a diabetic or have impaired circulation. Do not use on moles, birthmarks or unusual skin growths or near eyes or on mucous membranes. Do not treat warts, corns or calluses over large areas at one time.Medicines have benefits and some may have risks. Always read the label carefully and use strictly as directed. If symptoms continue or you have side effects consult your pharmacist or doctor immediately.