Basil has a warm, sweet, spicy rich aroma. It has a tonifying and reviving effect on the nervous system which makes it excellent for reviving a tired mind or if you are in need of a boost. It is a wonderful digestive, and may be diluted with a carrier oil and rubbed into the abdomen. It has a supportive action on the respiratory tract, so it can be used in inhalers or room diffusers. Basil is a powerful clearing antiseptic, and an ideal support in the fight against germs. It blends particularly well with Lavender, and also Bergamot, Camomile, Clary Sage, Geranium, Lemongrass, Marjoram, and Rose. There are many different species and subspecies of Basil oil, and also different chemotypes from different parts of the world.