Fir essential oil is produced from the Abies alba plant, an evergreen coniferous tree, and has antioxidant and antiseptic properties. Some of its benefits: -It is known for the effective treatment of colds, abdominal pain, indigestion and rheumatic diseases. -According to research, it positively contributes to reducing anxiety and improving sleep quality, as it reduces the activity of the sympathetic nervous system, the heart and blood pressure. -It is also indicated for respiratory problems, such as asthma and bronchitis. -It is also widely used in the perfumery, thanks to its woody aroma.