Absolute aromas eucalyptus citriodora oil 10mleucalyptus citriodora is often used as a minor ingredient in soap and detergent perfumes to add freshness and is commonly the active ingredient in natural insect repellents eucalyptus radiata and globulus have a higher pinene content and are therefore more useful in steam inhalations use 8 10 drops of eucalyptus citriodora in a diffuser or burner to ward off insects alternatively dilute 5 drops of eucalyptus citriodora in 10ml absolute aromas c