Lemon Myrtle Essential Oil - A pure essential oil from the Australian native rainforest tree – the Lemon Myrtle (Backhousia citriodora). A cheerful lemon lime fragrance that is uplifting and invigorating. Useful for relaxation, uplifting emotions and soothing sleep. Anecdotal evidence shows fewer incidences of coughs, colds and sinus problems when used in an oil burner.