Blog - Tisserand Institute



The Case for an Evidence-based Aromatherapy Practice

by Tamara Agnew PhD The current mood around aromatherapy is complex. There are companies and company representatives making ludicrous health claims which are damaging to the reputation and therefore the development of the practice. In contrast, there are the vocal cynics and critics who, using mostly offensive, ignorant language, insinuate that all complementary and

August 16th, 2019|

What Is Aromatherapy? The Dividing Lines Between Feel-Good and Medicine

by Petra Ratajc, PhD Aromatherapy’s unique appeal is that something natural and fragrant can have beneficial effects on both body and mind at the same time. This therapeutic duality was recognized independently by ancient civilizations that incorporated aromatic plants into traditional medicines, rituals and everyday life long before distillation and essential oils were known.

May 15th, 2019|

Santalum Album Oil Rejuvenated

Part Two: Skin Healing by Robert Tisserand Figure 1. A Santalum album seedling © Quintis Limited Of the several species of Sandalwood oil commercially produced, this article focuses on just one, Santalum album. Although Santalum album oil (SAO) has been produced in India for centuries, large-scale production there has now entirely ceased

March 12th, 2019|

Essential Oils in Hospitals: The Ethics, Safety, Cost and Application of Clinical Aromatherapy

by Sue Pace, RN, Registered Aromatherapist Millions of people worldwide employ essential oils to influence mood, in their body care products, and for home health remedies. Over the last decade in particular, home use of essential oils in the U.S. has burgeoned.[1] Essential oils and diffusers are ubiquitous online and are also found in boutiques, grocery

February 8th, 2019|

A Beginner’s Guide to Essential Oils Part 2: How to Use Essential Oils

by Rachel Andorfer There are several ways that essential oils are commonly used therapeutically: diffusion (inhalation), topical (skin) application, baths, and oral ingestion. In this post I’ll go into detail about each method, how it works, and important safety tips. Diffusion Diffusion describes the process of dispersing essential oil molecules into the air so that

February 5th, 2019|

Essential Oils to Prevent the Spread of Flu

Shannon Becker PhD Fall and winter usher in the season of acute respiratory illnesses, and many people are beginning to suffer from sneezing, sore throats, coughs, fever, and achiness. There is often confusion surrounding the reason for these ailments, and common terms like “cold”, “flu”, “pneumonia”, and “stomach flu” are used to describe distinct

December 16th, 2018|

A Beginner’s Guide to Essential Oils Part 1: Essential Oil Extraction

by Rachel Andorfer Welcome to the world of essential oils! If you’re here, you’ve probably been recently introduced to essential oils and are looking to learn all you can. This is the first of a series of posts intended for essential oil beginners, or anyone who’s been using essential oils but wants to gain

November 29th, 2018|

Botanica 2018 Report: Connecting Dots and People in Brighton

by Hana Tisserand I first met Rhiannon Lewis in 2015, at the AIA conference in Denver, Colorado. We were briefly introduced, had a lovely chat in English and French, and she mentioned two conferences she “has her fingers in” – Phyt’Arom in Grasse, France, and Botanica. If you’ve ever met Rhiannon, you know how charming

October 16th, 2018|

Sloppy Science Masquerading as a “Systematic Review” of Adverse Effects in Aromatherapy

by Tamara Agnew PhD, Robert Tisserand, and Christine Carson PhD, with thanks to Kandace Knudson PhD for her input Introduction In 2012, Posadzki, Alotaibi and Ernst published a systematic review, which “was aimed at critically evaluating the evidence regarding the adverse effects associated with aromatherapy” (Posadzki et al, 2012). However, it is an article awash

July 24th, 2018|

Cats and Essential Oil Safety

Myrtle by Robert Tisserand This is an updated version of an article published here. Some quite strong feelings and opinions have been expressed about essential oils and cats, and a frequently asked question is “Is it safe to diffuse essential oils around cats?”. Diffusing essential oils can be toxic to humans if it’s over-done, causing neurological

January 10th, 2018|