Icy to dull, hot to relax. Introducing Icy Hot Pro Pain Relief Patches, powerful pain-relieving patches designed to give you fast-acting, targeted relief for aching muscles and joints. The Icy Hot Pro patented formula contains two powerful pain-relieving ingredients: menthol and camphor. These two pain relievers work together to penetrate to the nerves and target more points of pain.* Best of all, this no-mess patch uses advanced hydrogel technology to deliver an immediate cooling sensation. Wear Icy Hot Pro Pain Relief Patches for up to eight hours for long-lasting relief. *Compared to Icy Hot products containing only menthol