Lemon is used to support the health of the liver. It is also a natural remedy for gallstones. This oil contains the compound d-limonene which had powerful cellular health-supporting properties. It works as a natural antihistamine, therefore it helps with colds and allergies. Lemon oil is known for its ability to help cleanse toxins from the body, stimulate lymph drainage, rejuvenate energy, purify skin, and repel insects. It can also be used to purify air as well as a clean household surfaces.