Aromatherapy I - AROMA 503

Aromatherapy I
Course Number


AROMA 503 takes students to the next step in their aromatherapy training, looking deeper at the historical uses of aromatherapy and the modern scientific research being carried out in this fascinating modality. Students study methods of administration for essential oils in more depth than AROMA 501, as well as the anatomy and physiology of the related body systems.

Learning Outcomes

Describe and discuss aromatherapy, including its historical basis
Locate, review, and discuss current research using full-text reference materials and online databases
Demonstrate ways to locate developing essential oil and applied research
Demonstrate an understanding of the basic principles of a research study
Apply research methodology and terminology
Identify the components of a research paper and the process involved
Identify and discuss the anatomy and physiology of the olfactory, skin, and muscular systems, and the influence of aromatic molecules on each
Assess essential oil quality and be able to describe the primary production methods of essential oils
Discuss how essential oils interact on physical and emotional levels
Understand the chemistry of essential oils and the physiological effect and pathway of individual chemical components
Compose aromatherapy blends for therapeutic purposes, perfumery, cosmetics, and soap making
Use a full range of methods of administration
Locate clinical scientific studies examining the use of essential oils

Maximum Enrollment: 20 students

Required Materials 

The Required Materials cost (Course Pack)—including standard shipping within the United States—is $416.59. This includes:

  • ACHS eTextbook: Petersen, D. (2016). Aromatherapy Materia Medica: Essential Oil Monographs. Portland, OR: American College of Healthcare Sciences. - $135
    (Optional: Printed copy available for an additional $133)
  • Online Materials and Library Resources (OMLR) - $115
  • AROMA 503 Practical Lab Kit

Get the most up to date information about required textbooks for this class, including ISBN, edition and price, by visiting our Required Textbooks page

Total Course Price: $1515 (3 credits X $505 per credit) + $416.59 Required Materials + $252.84 Textbooks & Media = $2184.43

Does not include Registration Fee, which is $200 per program or $30 per credit if enrolling in single courses.

* You may always elect to buy or rent your textbooks/ebooks new or used. However, when choosing to purchase college textbooks and supplementary materials outside the College store, please use caution to ensure you purchase the correct version of required materials.

** This textbook is also available as a Kindle eBook from

Optional Recommended Reading & Study Kits
Click here to view the optional Recommended Reading for this course.

Last updated 5/21/19

Additional Prerequisites

None – Prior formal aromatherapy training recommended

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