Melaleuca alternifolia We are currently in the process of updating our label design. The label of the product you will receive may look different from what is displayed on the website. Ingredients: 100% pure tea tree oil Aroma: Potent, warm, spicy Attributes: Cleansing, purifying, renewing Extraction Method: Steam Distilled from leaves and twigs Purifying Room Blend: Add 1 drop each of tea tree oil and grapefruit oil, along with 10 drops of lemon oil to a diffuser and enjoy. Physical Characteristics:Specific Gravity: 0.888-0.909Refractive Index: 1.475-1.482 NOTE: Dropper insert is not included with the 4 oz. and 16 oz. size bottles. NOW® Essential Oils are analytically tested for identity, purity and adulteration to assure the highest quality.