Woolzies Premium Essential Oil Collection contains fourof the most beneficial and exotic single oils. This is a must-have collection for essential oil enthusiasts. Vanilla oil is an intoxicating, rich, sweet oil. Clary sage essential oil is a relaxing and soothing oil with a floral, fruity, herbal aroma. Frankincense essential oil is a stress-relieving oil that promotes focus and grounding. Sandalwood essential oil is a calming oil that enhances mental clarity and mood