Our joint care strips contain arnica flower extract, methylsulfonyl methane. It penetrates the skin deep into joints and muscles, providing comfortable warmth. Its use is simple: 1. Clean and dry the affected area. 2. Open the package, take out the patch, and tear off the back film. 3. Apply the patch to the skin, and the effect of the patch can last for 24 hours. 4. Daily use can get better results. It can also protect joints and relieve discomfort in time.