Sweet orange oil, along with grapefruit oil, contains the highest percentage of limonene, a natural compound, which has been studied for its chemopreventive effects to support cancer treatment. Well-known for its uplifting and anxiety-reducing properties, orange oil promotes a sense of emotional uplifting while simultaneously calms nerves. It is an ideal mood enhancer and relaxant. When topically applied, sweet orange can can promote detoxification. Orange oil, when inhaled, can settle the stomach. It is an overall excellent skin tonic, and is used to support clear skin. In the home orange oil can be used (diluted) as a powerful grease cutter and cleaning agent.