Moov Pain Specialist is effective in joint pains & inflammation, backache, sprains, strain, myositis, fibrositis, sciatica. It's a proprietary Ayurvedic medicine. The spray features a Fast Acting Formula, which is only designed for external use. Plus, the spray formula is made to penetrate deep inside, and Moov produces warmth to target and relieve pain. It's flammable, could prove hazardous while smoking cigarettes, grilling, lighting gas stove or other similar activities.