The Corn Removal Pen by Dr. Scholl's is a clinically proven solution for removing corns, providing pain-free treatment. This product, with a sleek design and easy application, uses TCA-Active™ formula based on trichloroacetic acid to effectively remove corns. The gel material ensures a comfortable and cooling sensation, making it suitable for both children and adults. The Scholl Corn Complete Removal Pen comes in a pack of 1, with a shelf life of 900 days, providing a convenient and effective way to treat corns at home.