The Pedifix Corn and Callus Remover is a solid base substance that is odorless and the only product out there of its kind. The 40% Salicylic Acid is a unique ingredient that will ease the pain of corns and calluses. Salicylic Acid acts like an aspirin agent and helps reduce inflammation. This safe, convenient and easy to use product eliminates the messy liquid residue found in most Corn and Callus Removers. #1 Doctor Recommended for Corn & Callus Removers. Available in one size.