doTERRA Premium Frankincense essential oil is a proprietary blend of resins from four species of Boswellia trees, Boswellia carterii, Boswellia sacra, Boswellia papyrifera, and Boswellia frereana. Considered the ‘king of oils’, Frankincense has extraordinary health benefits when used topically or taken internally.*
Directions For Use
Aromatic use: Use three to four drops in the diffuser of your choice.
Internal use: Dilute one drop in four fluid ounces of liquid or take one to two drops in a veggie cap.
Topical use: Apply one to two drops to desired area. Dilute with a carrier oil to minimize any skin sensitivity. 
One of the recent discoveries related to this herb is the effect it can have on lymphocytes and T-cells within the body. These are crucial immune system components that can affect the severity and response time of the immune system. When Boswellia  is regularly consumed, it can optimize the immune system to more effectively respond to foreign substances and infectious pathogens