Callus Remover is the professional's #1 choice when looking for a fast, safe and effective solution for even the toughest calluses. Callus Remover saves you time and effort by doing the work for you! . Exfoliates dry, dead skin to help reveal soft, sandal worthy feet. Softens thick callused skin, while disinfecting, deodorizing, hydrating and revitalizing feet. Dermatologist and Podiatrist tested. CAUTIONS: Contains Potassium Hydroxide. You must wear gloves at all times when handling this product. Do not apply to broken skin, open cuts or unprotected skin tissue. Product can cause skin burns, permanent injury or scarring if not used as directed. Avoid contact with eyes. If product gets into eyes, flush with water for 15 minutes. If irritation persists, seek help from a physician. Keep out of reach of children. Refer to MSDS for general information, how this product can harm you, how to protect yourself and what to do on an emergency.