Mentha piperita Ingredients: 100% pure peppermint oil Aroma: Fresh, strong mint Attributes: Revitalizing, invigorating, cooling Energizing Blend: Add 1 drop each of peppermint oil and 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: 0.896-0.908 Refractive Index: 1.459-1.465 NOTE: Dropper insert is not included with the 16 oz. size bottles NOW® Essential Oils are analytically tested for identity, purity and adulteration to assure the highest quality. For aromatherapy use. For all other uses, carefully dilute with a carrier oil such as jojoba, grapeseed, olive, or almond oil prior to use. Please consult an essential oil book or other professional reference source for suggested dilution ratios. After using essential oils, immediately close caps tightly to prevent any oxidation. For best results, please store our high-quality essential oils at room temperature and in the original bottle. You should avoid storing the oils near any kind of heat, which includes cabinets over stovetops, areas with direct sunlight, and areas with excessive humidity like bathrooms.