Essential oil collection is made up of four oils that will evoke a relaxing and autumn atmosphere in your home. These oils can be inhaled, diffused, and applied topically. Set includes:Orange oil is a mood-boosting, cleansing, and energizing oil.Cinnamon oil is a stimulating and inspiring oil with a warm, sweet, spicy aroma.Clove oil is a warm spicy oil that improves mental alertness and blood circulation. Vanilla oil is made by infusing sunflower oil with vanilla beans.