Professional Aromatherapy Certification

Overview of the Aromatherapy Certification Courses

Upon completion of Module 1 - Essential Oils, and Module 2 - Anatomy & Physiology, and your 30 case studies you will have completed 400 hours of training. 

Upon successful completion of this course, you will be able to show a knowledge of:

  • Summarize the history of aromatherapy

  • Comprehend the basic concepts of aromatherapy

  • Comprehend the safe use of essential oils

  • Comprehend the chemical properties of essential oils and apply this knowledge

  • Develop a blend and treatment plan to address the conditions as listed in the core curriculum

  • Comprehend harvesting to the bottling of essential oils

  • Describe therapeutic properties and use of carrier oils

  • Describe properties and use of hydrosols

  • Produce a variety of personal aromatherapy products

  • Describe the basic components of a business practice

  • Recognize the purpose of performing a professional consultation and assessment

  • Differentiating how aromatherapy applies to special groups.

  • Engage at all times in a code of conduct beneficial to clients

Module 1 Syllabus

Please download a copy of the syllabus here

Meet Your Instructors!

Click to learn more about Rachael, Nikki and Rhonda!

Nikki Fraser

Nikki Fraser


Nikki is a wife, and mother to two wonderful spirited little boys, and gave birth to a beautiful surrogate baby girl in December 2017. Her earlier careers include being a qualified Child and Youth Care Worker, and Addictions Counsellor. Helping people has always been at her core, so when essential oils came into her life, she knew empowering others to learn about them was her passion. She decided to become a Certified Aromatherapist Health Practitioner and is the founder of Fraser Holistic Health. She has since specialized in Essential Oils and Pregnancy and is currently completing her Aromatic Medicine course. Nikki is also a Certified Reflexologist and mindful birth educator.
Rhonda Greenbury

Rhonda Greenbury


I am a mother of 4 bio children and guardian to one adult child, each one gifted us something special including food allergies and intolerances, two of them have Autism, 4 of them have learning disabilities or mental health challenges and all of them have big hearts with loving personalities. I married my husband, an Engineer in 2007 when we fell in love during his university days! I am what I like to call a multi-passionate entrepreneur, you get one life, live it to the fullest! I have a diverse education in Accounting, Payroll, I am a Licensed Paralegal and Certified Aromatherapist. Natural health and legal are two of my greatest passions and I spend the majority of my professional development expanding on those. I am currently studying or have completed Master Certification in Cannabis studies, Shinpiden Reiki Master & Teacher Certificate, Aroma Chemistry, Essential Oil Pharmacokinetics, French Aromatherapy, Aromatic Medicine, CO2 Extracts and so much more! I'm looking forward to educating the world on holistic modalities and especially excited to share my aromatic knowledge with you!
Rachael Dean

Rachael Dean


Rachael is the owner of Happy Oils and was named the Platinum winner of the The Hamilton Spectator Readers Choice awards for the Aromatherapist category! She loves helping people find their passion and explore natural alternatives for their health and wellness. In the summer of 2014, she was introduced to essential oils and her life path and career changed. She moved to Hamilton in January 2015 with my husband and family to focus on a calmer quieter life. She studied with Joyessence Aromatherapy School, is a Certified Aromatherapy Health Professional (CAHP) and also a member of the Board of Directors with the Canadian Federation of Aromatherapists. Furthermore, she is also a Certified Reflexologist.

Become a Certified Aromatherapist Today!

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Course curriculum

  • 1

    Welcome to the course!

    • Welcome to Essentria
    • How to use this course
    • Syllabus
    • Schedule
    • Aromatherapy Certification Timeline Game Plan
    • Health Disclaimer
    • Supply List
    • Recommended Suppliers for Course Materials
    • References Module 1
  • 2

    Lesson #1 - What is Aromatherapy

    • Aromathrapy Terms
    • Using Essential Oils
    • Uncovering Aromatherapy
    • Test your learning
  • 3

    Lesson #2 - History

    • Essential Oils over the years
    • Important People in the Field of Aromatherapy Past and Present
    • Test your learning - This quiz is a short assessment for you to help solidify the learning you just did.
  • 4

    Lesson #3 - Why plants make essential oils , extraction methods & Psychology

  • 5

    Lesson #4 - Essential Oil Safety

    • Safety Guidelines
    • Test your learning
  • 6

    Essential Oil Profiles - A-C

    • Angelica Root
    • Basil (linalool CT)
    • Bay - West Indian
    • Bay Laurel
    • Benzoin
    • Bergamot
    • Birch
    • Black Pepper
    • Cajeput
    • Cardamom
    • Carrot Seed
    • Cedarwood Atlas
    • Cedarwood virginian
    • Chamomile (German)
    • Chamomile (Roman)
    • Cinnamon Bark
    • Cinnamon Leaf
    • Clary Sage
    • Clove Bud
    • Copaiba
    • Coriander
    • Cypress
    • Test your knowledge
  • 7

    Essential Oil Profiles - E-L

    • Eucalyptus Citriodora
    • Eucalyptus Globulus
    • Eucalyptus Radiata
    • Eucalyptus Dives
    • Fennel
    • Fir Needle
    • Frankincense
    • Galbanum
    • Geranium
    • Ginger
    • Grapefruit
    • Helichrysum
    • Hyssop
    • Jasmine
    • Juniper Berry
    • Lavandin
    • Lavender FREE PREVIEW
    • Lemon
    • Lemongrass
    • Lime
    • Test your knowledge
  • 8

    Essential Oil Profiles - M-Y

    • Mandarin
    • Marjoram
    • Melissa
    • Myrrh
    • Myrtle
    • Neroli
    • Niaouli
    • Nutmeg
    • Orange, Bitter
    • Orange, Sweet
    • Oregano
    • Palmarosa
    • Patchouli
    • Peppermint
    • Petitgrain
    • Pine scotch
    • Ravensara
    • Ravintsara
    • Rose
    • Rosemary
    • Rosewood
    • Sage
    • Sandalwood
    • Spruce Canadian Black
    • Spruce Hemlock
    • Tea Tree
    • Thyme
    • Vetiver
    • Wintergreen
    • Yarrow
    • Ylang Ylang
    • Test your knowledge
  • 9

    Lesson #5 - Carrier Oils, Infused Oils & Hydrosols

    • Carrier oils
    • Macerated_ Infused Oils
    • Hydrosols
    • Test your knowledge
  • 10

    Lesson #6 - Blending & Notes

  • 11

    Assignment #1 - Case Studies - Written Report

    • Assignment - 5 case studies
    • Example of case study answer
    • Assignment #1 - Case Studies - Written Report - Submit assignment here
    • Intake Form Example
    • VIDEO - Assignment Tips, Study Ideas!
  • 12

    Lesson #7 - Plant Families

    • Plant Families
    • Plant Families Summary Chart
    • Test your knowledge
  • 13

    Lesson #8 - Essential Oil Chemistry

    • Chemistry
    • Example of Frankincense GCMS Report
    • Example Lavender GCMS Report
    • Example Lemon GCMS Report
    • Example Peppermint GCMS Report
    • Test your knowledge
  • 14

    Assignment #2 - Chemistry Case Study

    • Chemistry - Chemistry ID Exercise
    • Chemistry Assignment - Submit Assignment here
  • 15

    Lesson #9 - skin types, facial oils, methods of use, bath salts

    • Skin Types
    • Test your knowledge
  • 16

    Lesson #10 - Expanded application of aromatherapy - pregnancy, elderly, cancer care, babies and children

    • Expanded application of aromatherapy
    • Pregnancy and Essential Oils
    • Children
    • Test your knowledge
  • 17

    Assignment #3 - Create Video - making a blend/product

    • 10.4 Assignment #3 - Create Video - making a blend/product
    • Assignment #3 - Create Video - Submit assignment here
  • 18

    Lesson #11 - Chakras

    • Chakras
  • 19

    Lesson #12 - Recipe Toolkit

    • Recipe Tool Kit
  • 20

    Lesson #13 - Business and Labelling

    • Business Section
    • Labelling
    • Example 1 - intake form
    • Test your knowledge
  • 21

    Assignment #4 - 30 Case Studies

    • Assignment - 30 Case Studies
    • Submit your first 10 Case Studies Here - Case Studies 21-30
    • Submit your next 10 Case Studies Here - Case Studies 11-20
    • Submit your next 10 Case Studies Here - Case Studies 21-30
  • 22

    Assignment #5 - Research Paper

    • Assignment - Research Paper
    • Submit Assignment - Research Paper here
  • 23

    Lesson #14 - Prepare for Exam

    • Exam preparation
  • 24

    Next steps

    • Congratulations
    • Before you go...

Aromatherapy Certification Course

Pricing Options - Save if you purchase Module 1 & 2 together!

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See what our clients have to say!

““Very passionate and educated in aromatherapy.” Rachael is very passionate and educated in aromatherapy and the use of these therapeutic essential oils ! I have learned so much from her and also received and amazing aromatherapy massage that rejuvenated me and help with some muscle discomfort/soreness and detoxification!! I would recommend this type of massage to anyone it is noninvasive and very therapeutic! Thank you Rachael ❤️🙏✨”

— Marlene R.— Marlene R.

““SPARKED my interested in using essential oils” Nikki has always been striving to teach and educate others on whole body health. From physical, to mind, and soul. Nikki has guided me in helping others in taking control of their health choices and proactively chose alternatives measures to support their body in a natural way. She SPARKED my interested in using essential oils in my everyday routine (which I thank her for) and now has SPARKED my interest in the Aromatherapy department, which I never thought I would be interested in. Nikki makes it look easy and is always there to support with any question. She helps give you the empowerment that you can do it to. That you can take control of your life and your health.”

— Denise L. — Denise L.

““You can't ask for a better support resource” Rachael is incredibly knowledgeable and very passionate about what she does. . . if you are looking at making a change and exploring using essential oils in your life, you can't ask for a better support resource.”

— Cassie R.— Cassie R.

““Passionate” Rachael is very passionate about essential oils. She is knowledgeable in which oils to use for ailments as well as correct dilution ratios. Her Aroma massages are very relaxing - make sure you have nothing scheduled after as you will be so incredibly relaxed it may be hard to speak!! I recommend Rachael to everyone and anyone who is interested in essential oils!”

— Carley B.— Carley B.