All Natural Release Muscle Wash is just like the name says: all natural! Made with pure magnesium oil to help relax sore muscles, low heat steeped arnica to help reduce swelling and bruising, and steeped eucalyptus which is a natural anti-inflammatory, All Natural Release Muscle wash is perfect for horses and humans alike. Use before and after exercise, or any time to help soothe fatigued, strained or bruised muscles and joints.