Bay leaf oil is obtained by steam refinement of the leaves, often followed by a elimination of terpenes by vacuum distillation.  Bay Leaf Oil Terpeneless is formed from Bay Leaf Oil by removal of the terpenes, usually only the low boiling.  Bay essential oil has a sturdy, spicy, and pungent smell.  Bay produces a heat feeling, which alleviate muscle stress when rubbed on the body.  Bay also improves memory and helps relieve headache, as well as sinus and lung congestion.