Our Joint Warming Patch contain iron powder, activated charcoal powder and wormwood. It can help relieve arthritis, low back pain, dysmenorrhea, stomach pain and rheumatism, eliminate inflammation, promote joint tissue repair, promote blood circulation, and improve joint flexibility. Its application method is very simple: clean and dry the skin, take a warm piece of this product on the joint pain, daily use can make the effect better. Relieve joint pain, reduce joint cysts and edema, promote joint tissue repair.