Aromatherapy II: The Art and Science of Blending

Explore the next layer in the versatile and accessible therapeutic approach of Aromatherapy--the art of blending.

You will get an in depth explanation of blending principles, how to identify top, middle, and base notes, and additional Materia Medica on five new essential oils. Experience step-by-step instructions on creating blends, creating herb-infused carrier oils, and explore the world of hydrosols. The course also includes the application of aromatherapy blends in real world, case-based scenarios.

The use of essential oils, widely known as Aromatherapy is gaining attention in integrative care practice, and for good reason. They offer another tool in integrative healthcare that is simple, effective and inexpensive. Though there is still much to be discovered through research and experience, aromatherapy is making inroads into hospitals and health care practices. This branch of phytotherapy can be safely employed in most situations to complement and enhance treatments, often with notable results.

This course provides clinicians with an understanding of blending essential oils in aromatherapy implementation and how to counsel patients on its use in their health strategy. This is a companion piece to Aromatherapy & Health: An Introduction.

Course Objectives

  • Review the principles of blending.
  • Describe top, middle, and base note categories.
  • Describe the principles and variability of applications and dilutions, including carrier oils, other diluents, and hydrosols.
  • Review essential oils, their historic or traditional uses, as well as any existing researched uses for health and wellbeing.
  • Identify relevant safety issues and appropriate of use essential oils.
  • Categorize described essential oils into top, middle and base note categories and possible health and wellbeing applications.
  • Apply essential oil blending use to a variety of case scenarios and read faculty comments.
  • *Apply principles of blending to create both a mood and health support aromatherapy blend.
  • Describe a personal case study and what blend you would create for this patient.

Completion Requirements

Complete all the course work, course evaluation, and the final test with a score of 70% or better. Upon successful completion you will be able to print your certificate of completion (shows participation, not CE credits).


Principles of Blending - Explore some elementary principles and with an unleashed imagination anyone can create effective formulations.
Materia Medica for Blending - Materia Medica is the Latin medical term for the body of collected knowledge about the therapeutic properties of any substance used for healing. This curriculum, provides detailed information about 15 specific essential oils. Five new essential oils will be introduced: Cedarwood (Cedrus atlantica), Cypress (Cupressus sempervirens), Orange (Citrus sinensis), Roman Chamomile (Matricaria recutita), and Sweet Marjoram (Oreganum majorana). And the 10 essential oils from the Aromatherapy I will be revisited.
Preparing to Blend - Beginning with some simple first aid uses and a glance at historic and traditional practices, we continue with practical applications of blending oils.
Hydrosols - Distilled water that is recaptured after the essential oil has been removed is reviewed, its history and uses.
Case Studies - Review practical applications of blends.

Target Audience

Physicians, nurse practitioners, physician assistants, nurses, dietitians, and other interested health care professionals.


You will have a maximum of 30 days access to the material from the start date. You can register and start immediately. If you register for the course and pay with a credit card you will have immediate access to the course. Once your registration is complete, logout and log back in and your course will be listed on the campus page. If you cannot remember your account information, click the Get Username and Password link on the login page and it will be emailed to you.

  1. Complete your registration, including payment of the invoice (find this on "My Account")
  2. Log out
  3. Then log back in
  4. If you cannot remember your account information, click the "Get Username and Password" link on the login page and it will be sent to the email address you used to register.
  5. Your course will be listed on the Community Hub page.