Mandarin essential oil, Citrus reticulata, is a beautiful, sweet citrus oil that is the perfect addition to formulations intended to promote calmness and a sense of well-being. It helps combat insomnia. Mandarin essential oil is gentle enough for children and helps relax them before sleep. Mandarin is antiseptic, and is helpful when included in toners for oily skin. Strong photosensitizer. Do not use within 4 hours of exposure to the sun.