A giant among conifers, Douglas Fir essential oil is composed of a host of antiseptic and refreshing monoterpenes, complimented by a considerable percentage of softly aromatic esters that disguise its antifungal strength. This Douglas Fir oil, distilled in Croatia, has a distinctly sweeter aroma than her French and Canadian sisters and, when diffused, is an effective remedy for the treatment of respiratory infections, particularly in children.https://www.researchgate.net/publication/26849507_Chemical_composition_and_antifungal_activity_of_the_essential_oil_of_Douglas_fir_Pseudosuga_menziesii_Mirb_Franco_from_Serbia
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