Welcome to Essence of Thyme College of Holistic Studies

What is Aromatherapy?

Aromatherapy can be described as the art and science of utilizing naturally extracted aromatic essences from plants to balance, harmonize and promote health of the body, mind and spirit.

Like herbalism, Aromatherapy draws on the healing powers of the plant world. However, instead of using the whole plant, it employs only its essential oil. This potent, aromatic substance is housed in the tiny glands on the outside or deep inside the roots, woods, leaves, fruits or flowers of the plant. The more oil glands or ducts present in the plant, the higher the yield and thus the less expensive the essential oil.

Essential oils and aromatic extracts are volatile, non-oily aromatic liquids occurring naturally in various parts of plants, herbs, flowers, fruits, woods and spices. They have the ability to strengthen our immune system and to stimulate our bodies’ natural healing abilities. Essential oils and aromatic extracts are highly complex substances made up of many different chemical constituents, and it is the design and number of constituents in an essential oil that make it impossible to reproduce synthetically.

The term “Aromatherapy” can be misleading as it suggests that it is a form of healing that works exclusively through the sense of smell. This is not the case, as each essential oil has an individual combination of constituents that interact with the body’s chemistry in a direct manner.

Essence of Thyme

Essence of Thyme Referral Program

The Referral Program is designed to compensate existing Essence of Thyme students who recommend the course to others.  A 7% commission will be paid to a student who recommends the Full Certification Program to someone who subsequently enrolls in the Full Certification Program.  The compensation, which totals $69.65 can be applied to an exam fee or be paid by way of a cheque.


Aromatherapy Bottles

Some of Our Fabulous Students


I feel that completion of professional Aromatherapy program at "Essence of Thyme College of Holistic Studies" was one of the best decisions of my life. I have accomplished new knowledge about the essential oils and their therapeutic values, anatomy and physiology. An educational material in both courses is very systematic and well organized. I found the courses to be very interesting and challenging, case studies and review questions at the end of each module greatly reinforce the knowledge gained. Colleen Thomson was an awesome and supportive instructor, and I really appreciate all her support throughout my studies.  This course not only has improved my quality of life and the health of my family but gave me a confidence to start my own business, I would definitely recommend the course to anyone I meet interested in Aromatherapy. Thank you so much Colleen!

Irina Lim

I have been wanting to pursue a career in Aromatherapy for many years, but couldn't find any courses where I was comfortable investing in, until March this year! When I found Essence of Thyme Aromatherapy online course, I knew it was the one I have been looking for... Not only this course is exhaustive and very well designed but the Director; Ms. Colleen Thompson is so knowledgeable, always there to help by phone or email and devoted to her students!

Plus, this program covers everything that is needed to qualify you to be a CAP of CAHP.

I recommend this course to anyone wanting to pursue a career in Aromatherapy!

NB, Canada

Why should I take the Essence of Thyme Aromatherapy Certification Course?

Colleen has been involved in aromatherapy since 1995 and received her certification in 1998, as well as her Adult Education Diploma Program in 1997.  Her expertise in these areas is reflected in the course material which takes into consideration the various learning styles, the ease in which to navigate the manuals, the depth and clarity of information, and the user-friendly designed full-colour manuals.  Colleen has also owned several successful wholesale and retail aromatherapy businesses and brings this experience along with her background as a business owner, master formulator, spa practitioner, and instructor to the course material and to her students.

Course Recognition:

The Essence of Thyme College of Holistic Studies is the only course available that is recognized by:

  • British Columbia Alliance of Aromatherapy – Registered Aromatherapist®; RA®; Essential Oil Therapist®: EOT®
  • The Canadian Federation of Aromatherapists – Certified Aromatherapy Health Professional®; CAHP®
  • The Alliance of International Aromatherapists – Advanced Aromatherapy Practitioner (formerly Clinical Aromatherapist).
  • The National Association for Holistic Aromatherapy – Professional Aromatherapist
  • Approved for Continuing Education Units (CEU's) with the Massage Therapy Association of Manitoba Inc.
  • Approved for 6 Continuing Education Credits (CEC's) by the Remedial Massage Therapists Association.