Grapefruit is a great way to relieve feelings of anxiety, depression, and stress. It is also ideal for increasing focus. It's cleansing and feels invigorating, and sometimes you need a motivating force in your life to get rid of the negative energy that's surrounding you. A big sniff of grapefruit essential oil is one way to feel instantly more awake and alive. Grapefruit oil is often used to reduce stress, increase energy, and put someone in a better mood. It can also stimulate circulation.