NOW® Mental Focus essential oil blend is formulated with pure lemon peppermint wintergreen basil rosemary and grapefruit essential oils. It has a minty citrus aroma offering a centering focusing and balancing aromatherapeutic effect. Our essential oils are pure highly concentrated and free of synthetic ingredients. Add a few drops to a diffuser or create a room mister by adding 30 drops to 1 oz. of water and alcohol or witch hazel in a spray bottle.