A growing body of clinical and peer-reviewed research suggests that inhalation of certain essential oils may reduce cortisol, lower heart rate, and improve mood. You can explore the evidence in more detail in our research articles on inhalation aromatherapy for stress and anxiety and the effects of essential oils on the nervous system. While essential oils are not a conventional medical treatment, they can support nervous system regulation when used as part of daily practices such as breathing exercises or evening wind-down routines.
