Mandarin Red Essential Oil is the sweetest and tends to be the most calming. It is considered very uplifting. Aromatically, it blends well with many other essential oils including citrus, floral, wood, spice and herb families of oils. Mandarin Essential Oil is a favorite of children and parents. If desiring to diffuse a citrus oil in the evenings before bed or with children, Mandarin Essential Oil may be the best choice.