Aromatherapy I Online - AROMA 203

Aromatherapy I Online
Course Number


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.

Learning Outcomes

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


Required Course Pack:

  • ACHS eTextbook: Petersen, D. (2017). AROMA 203: Aromatherapy I (17th Edition). Portland, OR: American College of Healthcare Sciences. (Optional: Printed copy available for an additional fee)
  • AROMA 203 Practical Lab Kit - This kit includes the following supplies: 
    • 2 oz each of the following base oils: Aloe Vera Oil, Apricot Kernel, Camellia Oil, Wheat Germ
    • 4 oz Baking Soda
    • 2 oz Citric Acid
    • 2 oz Corn Starch
    • Nasal Inhalers (Qty 3)
    • 10 ml roll-on bottles (Qty 3)
    • 2 oz cobalt blue spray bottles (Qty 2)
    • 4 oz Sweet Almond Oil
    • 5 ml amber bottles (Qty 5)
    • Perfume Testing Strips (Qty 10)
  • Online Materials and Library Resources (OMLR) 

Required Textbooks: 

View the required textbooks for this class, including ISBN, edition, and retail price, by visiting our Required Textbooks page

Total Course Price:

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

Last updated 11/1/19

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