This oil is the perfect application for diffuse injuries such as torn hamstirngs, back pain, or sciatica soreness. No need to dilute for injury work, this oil is “ready-to-go” at a strength at least 5 times stronger than the industry standard. Contains grapeseed oil, arnica extract, essential oils of rosemary, clary sage and vitamin E. Pure Pro Arnica Massage Oil 4 oz $15.95