Arnica Ointment Jar 1 lb. For relief of bruises and muscle soreness from minor injuries, overexertion, falls, blows, contusions, sprains.For centuries, Arnica montana, a mountain daisy, has been known for its vulnerary action, but the concentrated plant extracts are unsafe for internal use.Helenalin, the plants main active component, interferes with the regulation of genes coding for many inflammatory mediators at a very low cytosol concentration. Swelling and pain from inflammation are, thereby, reduced. Among other components, polysaccharides stimulate phagocytosis and reduce bruising. Ingredients: Active IngredientArnica montana HPUS 1X 4%Inactive IngredientPetrolatum USPDoes Not Contain - Artificial Colors or PerfumesThe letters HPUS indicate that these ingredients are officially included in the Homeopathic Pharmacopoeia of the United States. Dosage: Apply a thin layer of ARNICA Ointment locally as soon after minor injury as possible or 2 to 3 times a day for minor muscle soreness and bruising.