Aromatherapy I Online


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

More details

Required Course Pack: 

  • ACHS eTextbook: Petersen, D. (2020). Aromatherapy Materia Medica: Essential Oil Monographs (20th Edition). Portland, OR: American College of Healthcare Sciences. (Optional: Printed copy available for an additional fee)
  • AROMA 503 Practical Lab Kit – This kit includes the following supplies:
    • 5 mls of the following essential oils:
      • Geranium Pelargonium graveolens
      • Ginger Zingiber officinale
      • Juniper Berry Juniperus communis
      • Lime Expressed Citrus aurantiifolia
      • Peppermint Mentha x piperita
      • Pine Pinus sylvestris
    • 2 mls of the following essential oils:
      • Neroli Citrus aurantium var. Amara
      • Rose Attar Rosa damascena
      • Sandalwood Santalum album

    • 10 ml Roll-on Bottles (Qty 3)
    • Perfume Testing Strips (Qty 100)
    • 2-oz bottles of the following base oils:
      • Aloe Vera Oil
      • Apricot Kernel Oil
      • Camellia Oil
      • Sweet Almond Oil
      • Wheat Germ Oil
    • 16 oz Sweet Almond Oil (may contain multiple bottles to total 16oz)
    • 5 ml amber glass bottles (Qty 5)
    • 2 oz cobalt blue spray bottles (Qty 2)
    • 3 ml disposable pipettes (Qty 9)
    • 25 ml glass beaker and stirring rod
    • 5 ml Rose Perfume Oil
  • 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 3/2/23

None – Prior formal aromatherapy training recommended

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Current Instructors:

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Admissions Requirements:

Candidates must possess a baccalaureate degree or higher from an institution accredited by an agency recognized by the US Department of Education. Candidates must submit official transcripts directly from the issuing institution along with one professional letter of recommendation. All applicants must be recommended for admission by the ACHS Admissions Committee.

Total Course Price:

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