Origanum vulgareIngredient: Origanum Vulgare (Oregano) OilAroma: Spicy camphoraceousAttributes: Purifying comforting invigoratingMixes Well With: chamomile eucalyptus tea tree spearmintExtraction Method: Steam Distilled from dried flowering herbPhysical Characteristics:Specific Gravity: 0.937-0.955Refractive Index: 1.498-1.521NOW Essential Oils are analytically tested for identity purity and adulteration to assure the highest quality.Packaged and quality tested in the USA.