Mentha piperita Ingredients: Organic peppermint oil (100% pure). Aroma: Fresh, strong mint. Attributes: Revitalizing, invigorating, cooling. Energizing Blend: Add 1 drop each of organic peppermint oil and organic rosemary oil along with 2 drops of cinnamon oil to a diffuser and enjoy. Extraction Method: Steam Distilled from aerial parts. Physical Characteristics:Specific Gravity: 0.896-0.908Refractive Index: 1.459-1.465 NOTE: Dropper insert is not included with the 4 oz. size bottles. Purity Tested/Quality Assured. Certified Organic by Quality Assurance International.