The original EU-CAL 100% pure medicinal oil of eucalyptus. It is Double Distilled true Australian Eucalyptus Oil. Most Eucalyptus oil in the market is distilled in China. Many brands have fillers in them and are less potent. Your nose will be able to smell the difference. Pure therapeutic grade and very effective. This highly concentrated liquid contains a variety of antioxidants, minerals, vitamins, fatty acids, and other revitalizing and healing components. With so many uses this oil is considered to be one of the most beneficial in nature.