Basil oil is an essential oil obtained from leaves of basil (Ocimum basilicum) herb with sweet, floral fragrance. This essential oil can be mixed with other oils, such as fennel, lemon, grapefruit, lavender, etc., for different purpose. The fragrance of this oil or oil blend containing basil can bring mental clarity, lower stress & anxiety, eliminate headache, and improve concentration. The beauty products that contain basil oil are said to nourish skin and bring back lost luster. This essential oil can also be included in hair care regime to get soft, lustrous hair. In medicines, this oil works to sooth muscular ache and joint pain.