Aromatherapy I Online

Course Description

Aroma 203 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 101 and the anatomy and physiology of the related body systems.

Upon successful completion of this course, each student will be able to:

  • Describe and discuss aromatherapy, including its historical basis
  • Locate, review, and discuss current research using provided online full-text reference materials and databases
  • Define valid research
  • Demonstrate ways to locate currently developing essential oil and applied research
  • Demonstrate an understanding of the basic principles of a research study
  • Apply research methodology and terminology
  • Have a basic ability of how to read a research paper
  • 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; one module is devoted to massage
  • Locate clinical scientific studies examining the use of essential oils

Maximum Enrollment: 30 students

Required Materials (Course Pack)

The Required Materials cost (Course Pack)—including standard shipping within the United States—is $308.76. This includes:

  • ACHS eTextbook: Petersen, D. (2015). AROMA 203: Aromatherapy I. Portland, OR: American College of Healthcare Sciences. - $125
    (Optional: Printed copy available for an additional $101)
  • Online Materials and Library Resources (OMLR) - $99
  • AROMA 203 Practical Lab Kit (pictured below) - $66.76

AROMA 203 Practical Lab Kit

The Required Publisher Textbooks & Media*:

Total Course Price: $975 (3 credits x $325 per credit) + $308.76 Course Pack + $172.85 Textbooks = $1456.61

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

Tuition Includes:

  • Expert faculty with real-world clinical experience in each course
  • All instruction and evaluation, including weekly interaction with your instructor through the online classroom, live teleconferences and/or chats, email, and the Instructor’s Virtual Office
  • Dynamic online lectures updated regularly to include the latest evidence-based research and industry updates
  • Bonus: Access to the ACHS Wellness Guide Online.
Optional Recommended Reading
Click here to view the Recommended Reading for this course.
Last updated 09/01/16