Lavender essential oil has a beautiful, deep lavender scent, which is extremely fragrant. This is type "40/42", which means that the product contains 40 to 42% of linalyl acetate. Linalyl acetate is a naturally occurring substance compound found in plants and flowers. This is added to maintain consistency in the scent, making this type highly desirable . Botanical name : Lavandula angustifolia Method of extraction: Steam distillation Details: Choose 1 or 2 oz size. Your essential oils will come in an amber glass bottle, along with a dropper insert you can apply after receiving. We ship with a cone lined cap to prevent leakage while in transit. Tester size is 1/2 oz amber glass bottle with screw on cone lined cap.