Alliance of International Aromatherapists (AIA):

“AIA is dedicated to the education of aromatherapists, healthcare professionals and the public in all aspects of aromatherapy. They’re a diverse network of professionals who collectively strive to advance the profession of aromatherapy and to serve the public.”

Alliance Website | Alliance Approved Schools

Herb Research Foundation:

For over 35 years, the Herb Research Foundation has been helping to educate the world about herbs. We offer solid science and informed opinion, for free.

HRF Website

National Association for Holistic Aromatherapy (NAHA):

“NAHA is actively involved with promoting and elevating academic standards in aromatherapy education and practice standards for the profession. NAHA is also devoted to increasing the public’s knowledge and understanding of aromatherapy and its safe and effective application in everyday life.”

NAHA Website | NAHA Approved Schools

Professional Testing Corporation:

“Professional Testing Corporation (PTC) is an established global leader in testing and assessment services. Founded in 1983 to provide professional organizations with psychometric services, PTC has expanded its offerings over the years to include a broader range of credentialing services for hundreds of testing programs, certification organizations, and licensing boards.”

PTCNY Website

Meet the ARC Administrative Board; read about them here.


Dorene Petersen, ARC Chair	Mynou de Mey, ARC Board Director	Sylla Sheppard-Hanger, ARC Director of Public Relations

You have questions and we have answers. In our 18 years, we have compiled quite a list of helpful questions and answers for you. Find our Frequently Asked Questions here.

ARC Celebrates 18 Years

Join ARC in celebrating 18 years of dedication to providing an unbiased standardized test for aromatherapists by registering and recertifying 121 aromatherapists in 2018.

ARC’s New Board Member!

The Aromatherapy Registration Council (ARC) is pleased to announce the appointment to the ARC Board of Directors of Ms. Sylla S. Hanger, in the function of Director of Public Relations.

Research: Inhalation

Aromatherapy via essential oil inhalation is simple, almost effortless, and non-invasive; Amanda Lattin discusses its viability as an effective method of administration.

Find More ARC News Here

The aromatherapy community has a wide variety of resources. We’ve compiled a short list here.

Periodically throughout the year ARC publishes a newsletter for members and the public. In the past these newsletters were mailed out, but we’ve recently redesigned the newsletter in an All-Digital format. Newsletters are now 100% mobile-friendly and look perfect when viewed on any device with a browser.

Click here or on the teaser image below to open the latest ARC Newsletter. If you’d like to access an older edition of the newsletter, look in the newsletter archive here. Interested in writing or advertising? Find those guidelines here.

As of May 2018, there are 622 active Registered Aromatherapists. See a breakdown of where these active RAs currently reside by country and by state for those in the United States here.

Meet the ARC Administrative Board;
read about them here.


D. Petersen, ARC Chair	M. de Mey, ARC Board Director	S. Hanger, ARC Director of Public Relations

You have questions and we have answers. In our 18 years, we have compiled quite a list of helpful questions and answers for you. Find our Frequently Asked Questions here.

ARC Celebrates 18 Years

Join ARC in celebrating 18 years of dedication to providing an unbiased standardized test for aromatherapists by registering and recertifying 121 aromatherapists in 2018.

ARC’s New Board Member!

The Aromatherapy Registration Council (ARC) is pleased to announce the appointment to the ARC Board of Directors of Ms. Sylla S. Hanger, in the function of Director of Public Relations.

Research: Inhalation

Aromatherapy via essential oil inhalation is simple, almost effortless, and non-invasive; Amanda Lattin discusses its viability as an effective method of administration.

Find More ARC News Here

The aromatherapy community has a wide variety of resources. We’ve compiled a short list here.

Click here or on the teaser image below to open the latest ARC Newsletter. If you’d like to access an older edition of the newsletter, look in the newsletter archive here.

As of May 2018, there are 622 active Registered Aromatherapists. See a breakdown of where these active RAs currently reside by country and by state for those in the United States here.

Great! We’re so glad you’re looking to take the next step in your aromatherapy profession by becoming a Registered Aromatherapist™! The following information will help you on this journey, as will the candidate handbook and the disciplinary policy found in other links on this tab:

Benefits | Eligibility | Test Dates | How to Apply

Congratulations on your achievement in becoming a Registered Aromatherapist™! Here are some things you’ll need to keep in mind in order to continue your active status:

Continuing Education Requirements | Updating Your Information

View the ARC Candidate Handbook Here

This is a pdf file. You may need to install Adobe’s Acrobat Reader to view it on your device.

Get Acrobat Reader

The ARC Board has adopted a revised Disciplinary Policy as of January 2015. The Disciplinary Policy is available for download here

This is a pdf file. You may need to install Adobe’s Acrobat Reader to view it on your device.

Get Acrobat Reader

Meet the ARC Administrative Board; read about them here.

Meet the ARC Administrative Board; read about them here.

Contact Us

Meet the ARC Administrative Board;
read about them here.