King mandarin essential oil, Citrus nobilis, is a beautiful, sweet citrus oil that promotes calmness and a sense of well-being. It is gentle enough for children and helps relax them before sleep. Mandarin essential oil is great for hyperactive kids and for use during periods of insomnia. Mandarin essential oil is said to reduce cellulite and act as a diuretic. It is a good toner for oily skin and acts as an antiseptic. You will find mandarin to be a wonderful addition to many blends for providing a feeling of calm and relaxation.