Acts as analgesic, antispasmodic, decongestive and a sedative. It is used to help raise the temperature of soft tissue directly below the surface of the skin. It enlarges blood vessels, relaxes tissue and can temporarily relieve painful symptoms. It increases vascular and lymphatic circulation and relaxes muscle spasms. It is usually used to relieve long term spasms and muscle tightness. It can increase flexibility, range of motion, and promote increased circulation to speed the healing process. It relaxes muscle tension and reduces stiffness in joints and also prepares tissue for rehabilitation.