1Promote blood circulation, eliminate swelling and relieve pain, especially around the shoulder. 2Natural wormwood ingredient, safe without irritation, without side effects. 3Easy to use and you just have to paste it in the painful area. 4Effectively relieves pain and reduces stiffness of joints in the shoulder, neck, etc. 5Made of high quality material, skin-friendly and breathable, it is not easy to produce allergies.