Introduction to Aromatherapy - AROMA 101

Introduction to Aromatherapy
Course Number


Course Description

Aroma 101 provides students with an in-depth understanding of the history and uses of essential oils including basic methods of administration and therapeutic actions of each of the oils studied. This 3-credit course is the first level of aromatherapy training at ACHS.

Learning Outcomes

Discuss aromatherapy, its history, and development
Identify and safely use 20 essential oils, from bergamot to ylang ylang, including methods of application
Assess the quality of essential oils and understand the primary production methods
Describe the physiology of the sense of smell
Give an overview of the limbic system, lymphatic system, immune system, and skin, along with methods of absorption of essential oils
Discuss how essential oils interact on physical and emotional levels
Describe the major chemical constituents of essential oils
Identify contraindications and safety issues
Create a blend and choose from a range of carrier oils


Required Course Pack:

  • ACHS eTextbook: Petersen, D. (2018). AROMA 101: Introduction to Aromatherapy (18th Edition). Portland, OR: American College of Healthcare Sciences. 
    (Optional: Printed copy available for an additional fee)
  • Online Materials and Library Resources (OMLR) 
  • Aroma 101 Essential Oil Kit - [Students are required to work with the assigned essential oil kit to ensure lab work is consistent and meaningful.  If you have your own oils, we invite you to conduct organoleptic lab testing on both as a comparison.]
  • AROMA 101 Practical Lab Kit 

Required Textbooks:

Please note: There are no additional textbooks required for this course; all required reading for this course is located in the online classroom and in the ACHS published textbook included in the Course Pack above.

Total Course Price:

View the total course price including tuition, fees, course materials, and shipping online here.


Last updated 7/14/19

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