Introduction to Aromatherapy Online


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

More details

Required Course Pack:

  • ACHS eTextbook: Petersen, D. (2022). AROMA 101: Introduction to Aromatherapy (23rd Edition). Portland, OR: American College of Healthcare Sciences.
    (Optional: Printed copy available for an additional fee)
  • Online Materials and Library Resources (OMLR)
  • AROMA 101 Practical Lab Kit.  

The AROMA 101 Practical Lab Kit includes the following experiential learning supplies: 

  • 5 ml Rose Perfume Oil
  • 10 ml Organic Camellia Oil
  • 16 oz Organic Sweet Almond Oil
  • Perfume Test Strips Booklet
  • 2 oz cobalt blue spray bottles (Qty 2), 4 oz cobalt spray bottle (Qty 4)
  • 1 oz amber bottle, 10 ml amber bottles (Qty 2), 2 oz amber bottles (Qty 2), 4 oz amber bottle, 5 ml amber bottles (Qty 8)
  • 1 oz Beeswax, 4 oz Epsom Salts, 2 oz Mineral Bath Salts – (Coarse), 1/2 oz White Clay 
  • 4 oz cobalt jar, 8 oz cobalt jar (Qty 2)
  • Product labels for finished products
  • Laminated Essential Oil Chart 

This Practical Lab kit also includes the following certified organic or sustainably wildcrafted essential oils:

    • Bergamot Citrus aurantium var. bergamia
    • Chamomile Chamaemelum nobile
    • Clary Sage Salvia sclarea
    • Cypress Cupressus sempervirens
    • Eucalyptus Eucalyptus globulus
    • Eucalyptus Eucalyptus smithii
    • Geranium Pelargonium graveolens
    • Ginger Zingiber officinale
    • Juniper Berry Juniperus communis
    • Lavandin Lavandula intermedia
    • Lavender Lavandula angustifolia
    • Lemon Citrus limonum
    • Lemon Eucalyptus Eucalyptus citriodora
    • Lime Citrus aurantiifolia
    • Neroli Citrus aurantium var. amara
    • Peppermint Mentha ×piperita
    • Pine Pinus sylvestris
    • Rose Attar Rosa damascena
    • Rosemary Rosmarinus officinalis
    • Sandalwood Santalum album
    • Sweet Orange Citrus sinensis
    • Tea Tree Australia Melaleuca alternifolia
    • Tea Tree NZ Leptospermum scoparium ct. Triketones
    • Ylang Ylang Complete Cananga odorata

Please note: ACHS 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.

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.

Current Instructors:

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Admissions Requirements:

Minimum of a high school diploma or equivalency and recommendation for admission by the ACHS Admissions Committee.

Total Course Price:

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

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