Latin Name: Citrus ParadisiPart of the Plant Used: Fruit PeelSource: USA Extraction Method: Cold PressGrapefruit essential oil has distinct properties that can offer a variety of health benefits, including reduced blood pressure and stress levels. Coming from the peel of the Citrus paradisi fruit, proponents suggest that breathing in the oil's acidic smell can help lift your spirits and offer a variety of benefits. Inhaling the aroma of grapefruit essential oil (or absorbing grapefruit essential oil through the skin) is thought to transmit messages to a region of the brain involved in controlling emotions. Known as the limbic system, this region of the brain also influences the nervous system. Proponents of aromatherapy suggest that essential oils can affect a number of biological factors, including heart rate, stress levels, blood pressure, respiration, and immune function. Grapefruit essential oil is also used to reduce stress, stimulate circulation, increase energy, improve mood, and improve digestion.