Eucalyptus trees are tall, evergreen trees that grow up to 50 feet tall and are sometimes referred to as gum trees. The main chemical constituents of Eucalyptus radiata are eucalyptol and alpha-terpineol, making it an ideal oil to promote the sensation of clear breathing, open the airways and to create a relaxing massage experience. Eucalyptus has purifying properties that can be beneficial for the skin and for cleaning surfaces and the air. Studies have shown that Eucalyptus is effective in helping to decrease tension. Eucalyptus can be found in mouthwashes to freshen breath and promote oral health.