Cinnamon leaf oil is steam distilled from the tree leaves and is milder oil than the Cinnamon bark oil which is considered to be hazardous. Cinnamon oil can be used for infection of the respiratory tract. It has a toning effect on the body and stimulates the glandular system. It makes a warming liniment to relax tight muscles, ease joint pain, menstrual cramps and increase circulation. Safety information: may be a dermal irritant. Avoid during pregnancy.