’s Dorene Petersen Launches 23rd Edition of Introduction to Aromatherapy – Aroma 101

Latest Edition of AROMA 101 Aromatherapy Textbook Reviews Current Published Essential Oil Research

Portland, OR –’s Founding President and renowned aromatherapy and herbal expert, Dorene Petersen, has released a comprehensive guide to aromatherapy, Introduction to Aromatherapy – Aroma 101. This book offers readers a chance to explore the benefits of aromatherapy and the power of natural remedies through easy-to-follow language.

The 394-page book covers everything from the history of aromatherapy to essential oil extraction, providing readers with a comprehensive understanding of the fascinating world of aromatherapy. Dorene Petersen’s extensive research and experience in the field offer readers an in-depth exploration of aromatherapy. The new edition builds upon the success of the previous edition and offers even more value to readers with the latest research, professionally edited by a scientific medical writer, and practical applications. Our 23rd edition is the approved textbook for ACHS programs AROMA 101 and HERB 101 and, for the first time, available to the general public.

With updated information on nomenclature and Latin names, dilution chart, diffusion durations,  current IFRA data, and more, Introduction to Aromatherapy – Aroma 101 provides a comprehensive guide to aromatherapy. The book also emphasizes quality sourcing and aromatherapy safety, making it the perfect guide for clinical practitioners offering essential oils, holistic and wellness centers, herbalists, acupuncturists, chiropractors, spa centers, and anyone looking to deepen their knowledge of aromatherapy.

“Revising the Aroma 101 Aromatherapy textbook was a wonderful opportunity to review in depth the current published research on the specific oils studied in the text. Safe use of essential oils has always been my focus and I hope the new information in diffusion duration will be helpful.” Dorene Petersen

Introduction to Aromatherapy – Aroma 101 is available for purchase now. To get your copy visit today.



Introduction to Aromatherapy Aroma 101 Updated 23rd Edition the latest release from aromatherapy and herbal expert and founding president of ACHSedu Dorene Petersen



About Dorene Petersen:

Dorene Petersen is the Founding President of the American College of Healthcare Sciences (ACHS), a leading institution in integrative health education. Petersen is a holistic health pioneer, author, and sought-after international speaker with over 45 years of experience in the health and wellness industry.


About American College of Healthcare Sciences

Founded in 1978, ACHS is an accredited fully online college offering degrees, diplomas, and career-training certificates in holistic health and wellness. ACHS is a Certified B Corp and recognized as a Military Friendly® School by Victory Media. For more information, visit

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