OIL DIFFUSER ESSENTIAL OILS: One way to experience the benefits of this essential oil is by diffusing the oil in your diffuser at home. Diffusing eucalyptus oil can maintain feelings of clear airways and easy breathing while minimizing the effects of seasonal threats/conditions. For those times when you need an immediate freshness, having a spray bottle of eucalyptus essential oil as a air freshener for you or guests to use is the perfect solution. MASSAGE OIL: This is a stress relief therapeutic oil to relax the senses.