Citrus limon Ingredients: 100% pure lemon oil Aroma: Fresh lemon peel Attributes: Refreshing, cheerful, uplifting Cheer Up Buttercup Blend: Add 1 drop each of lime oil and grapefruit oil, 2 drops of lemon oil and 6 drops of tangerine oil. Add to a diffuser and enjoy. Extraction Method: Cold Pressed from fresh fruit peel Physical Characteristics:Specific Gravity: 0.849-0.855Refractive Index: 1.473-1.476 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.