Never diluted or filled with chemicals or fillers, Wild Tree Essentials' high-grade, 100% pure essential oils includes seven species of frankincense oil (Boswellia sacra, Boswellia carteri, Boswellia frereana, Boswellia rivae, Boswellia serrata, Boswellia neglecta and Boswellia dalizielli), as well as one species of pure, organic myrrh (Commiphora myrrh) essential oil, making us one of the only companies to stock and offer such a wide variety of sacred, medicinal and therapeutic essential oils in the world.