Frankincense resin is harvested from trees of the genus, Boswellia. There are four main species of trees that produce Frankincense. These trees are a precious resource and the resin needs to be harvested with care. This particular Frankincense from Oman, is harvested in the traditional way from the Boswellia sacra tree. Frankincense is a sacred scent that has been burned for centuries in churches, temples and mosques not only for its aroma but also its antimicrobial properties.