The Boswellia is a small tree or shrub found in hot, dry climates, particularly in the Red Sea region. When the bark is pierced, a gummy resin is turned to oil through steam distillation. Frankincense has a long history as incense. It was also used by the Ancient Egyptians to rejuvenate and hydrate their skin. It has a warm, woody, spicy aroma that feels calming and peaceful.