It is a sunny and radiant oil, bringing happiness and warmth to the mind and helps people to relax and helps children to sleep at night. Orange oil can be used effectively on the immune system, as well as for colds and flu and to eliminate toxins from the body.It is a good diuretic and is most useful in balancing water retention and obesity. Its lymphatic stimulant action further helps to balance water processes, detoxification, aiding the immune system and general well-being.For the digestive system, orange oil can help with constipation, dyspepsia and as a general tonic. It is also useful in cases of nervous tension and stress