Frankincense has traditionally been used for spiritual growth and meditation. It is believed to have a centering effect on the emotions. It can slow respiration, thus helping your body calm and center itself. A great oil for asthma or chest congestion. Frankincense essential oil can act as an expectorant, soothing congestion while also relaxing breathing. In skin care, Frankincense is a wonderful oil to blend into facial creams or oils for aging skin.