Get the strong healing benefits of eucalyptus oil with this four ounce bottle of the pure stuff from Now. Now Foods Eucalyptus oil remains a favorite among aromatherapists and casual users alike, based on its strong woody and medicinal aroma. Popular in many vapor rubs, it emits an essence of cleanliness when diffused for aromatherapy. NOW Eucalyptus Oil is 100% pure and steam distilled.