Medrull Corn Removal plasters contain salicylic acid to help effectively remove corns while providing pain relief and protection. These medicated plasters work by softening the hardened skin of corns to aid in their removal. This is a medical treatment product containing salicylic acid for corn removal. The package contains 6 plasters. The plasters should be applied directly to the affected area. As this is a medicated product, please read all instructions carefully before use and discontinue if irritation occurs. Keep out of reach of children.