The essential oil is expressed from the peel of the grapefruit. It is an excellent diuretic, as it stimulates the lymphatic system. Wonderful in massage blends and baths. It is an antioxidant therefore boosts our immune system and fights free radicals. It is a wonderful anti-aging product. It is a complete health tonic freeing the body of toxins thereby fighting problems like cellulite, blood urea, rheumatism, arthritis and gout. Grapefruit fights depression and uplifts the mood as it is a stimulant. The digestive system benefits from this stimulation as it assists in the movement of ingested food through the intestines.