Eucalyptus trees are tall, evergreen trees that grow up to 50 feet in height. It is an ideal oil to promote feelings of clear breathing and open airways and for creating a soothing massage experience. Eucalyptus oil has purifying properties that can be beneficial for the skin. Add one drop of Eucalyptus essential oil to moisturizer and apply to skin for revitalizing benefits, or place several drops in the diffuser. While showering, place a few drops of Eucalyptus oil in the hands, place over nose, and inhale deeply to invigorate and promote vitality.