Essential oils have tiny molecules that can be easily absorbed into the body through topical absorption or inhalation, making it easier for the body to experience its benefit. Aromatherapy is used to help treat a wide range of common health concerns naturally such as stress and anxiety, headaches, insomnia, and several skin issues. They are also used for many of their antibacterial and antiviral properties, and of course, their good, fresh scents that can make anything smell delightful.