With an earthy, musky, sweet aroma, Rue essential oil is known as the herb of grace. Diffuse after a long day to help create a grounding, calming atmosphere. Rue belongs to the Rutaceae family, commonly known as the rue or citrus family, of flowering plants. This unique oil may be applied to the skin and combined with other scents, too! Blends well with chamomile, fennel, frankincense, myrrh, and more.