100% natural room odor In aromatherapy, eucalyptus is one of the most characteristic scents. The well-known fresh scent is used in many medicinal products. The oil of the eucalyptus globulus contains a component, cineole, which is responsible for its effect. In the light, eucalyptus works great in clearing the airways and improving breathing. In fact, the oil is effective for all respiratory complaints. Severe coughing stimuli are soothed. Eucalyptus can be said to be a powerful oil for the prevention of disease (prevention).