The bright, refreshing scent of lemon essential oil contains three compounds that work in synergy to improve mood and relieve anxiousness, including linalool, myrcene, and alpha-pinene, making this oil ideal for winding down after a stressful day. Diffusing this oil in your home will not only help ease stress and anxiety, its clean, bright scent when used in aromatherapy has been shown in studies to help change the way your brain responds to pain, diminishing discomfort.