Mandarin has a sweet, citrus-y aroma that is an excellent addition to blends intended to promote calm, relaxation, and well-being. It is a mild essential oil making it good to use in formulations meant for children. It is helpful for oily skin and hair, as a toner, and helps to reduce cellulite. In Ayurvedic and Chinese medicine, Mandarin is used to help treat insomnia, acne, dull skin, spots, oily skin, scars, stress, and wrinkles.