Tisserand Institute - Tap Into The Pool of Essential Oil Safety

Free Resources

Welcome to our Free Resources Page!

We have put this together to help you easily find the information you’re looking for. Feel free to browse and share any of our 100 Infographics with your friends or read through our in-depth blog posts written by respected experts. And if you’re looking for a quick safety guide, hop over to the Safety Pages.

If it feels a bit overwhelming and all you want to do is crawl under a blanket with a good book, we’ve got that covered too – just slide over to our Recommended Texts. And if all of this is not enough to quench your thirst for knowledge, check out our recommended External Sources.

Scroll down to learn more about the free resources offered by the Tisserand Institute…

The Tisserand Institute’s Top 5 Blog Posts

No One Can Hear You When You’re Mean

by Cristina Howell with thanks to Kandace Knudson, PhD for her input My name is Cristina but I am also called Crissi, Cris, Mom, Cricket, and quite possibly other names I am content to remain uninformed of. I am a wife, mother, daughter, sister, friend, doula, wellness and childbirth educator, Young Living member and natural medicine enthusiast. Doulas are childbirth professionals. Labor doulas like me are not medical care providers but offer physical, mental, emotional and informational support

Essential Oils and the “Detox” Theory

by Kristina Bauer Globally, aromatherapy is becoming increasingly popular. As the number of essential oil users continues to grow, and as recommendations for undiluted use increase, so exposure increases. As Robert Tisserand notes, “The number of incidents of an adverse reaction to an essential oil depends on: • Its inherent toxicity • The number of people exposed to it • The degree of exposure (oil concentration and time of exposure)” (Tisserand & Young, 2014, p.

Citrus Oils and Breast Health

by Robert Tisserand, with thanks to Christine Carson PhD and Linda Halcon PhD for their input. In the United States, breast cancer is the most common cancer in women, and it is the second most common cause of death from any cancer. According to the National Cancer Institute 12.3% of women will be diagnosed with breast cancer at some point during their lifetime, based on 2010-2012 data. In 2012, there were an estimated 2.9 million

Linda Halcón

We are very proud of the accomplished professionals and educators that constitute the Tisserand Institute Advisory Board! They are not only knowledgeable; they are also actively involved in notable ventures. Here’s what Linda Halcón has been up to lately. Linda is Associate Professor Emerita, School of Nursing, and faculty member of the Center for Spirituality and Healing at the University of Minnesota. She has published a number of aromatherapy chapters in nursing and medical texts

Kelly Ablard

      We are very proud of the accomplished professionals and educators that constitute the Tisserand Institute Advisory Board! They are not only knowledgeable; they are also actively involved in notable ventures. Here’s what Kelly Ablard has been up to lately. Kelly Ablard, a member of our Advisory Board, is both a well-rounded aromatherapist and an accomplished scientist. She works as a research analyst, as an aromatherapy practitioner, teacher and consultant, and she is

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Safety Pages

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Essential Oil Dilution Chart

Knowing how to calculate dilutions is crucial to the safe practice of aromatherapy. You need to know which dilutions are safe and how to calculate them.

Download the Essential Oil Dilution Chart

First Aid Guidelines

In a few instances, a reaction can have serious consequences. As always, our aim is to show you how to minimize risk so that you can use essential oils safely, as well as effectively.

First Aid Guidelines

Why Safety is Important

Although essential oils are natural substances, “natural” and “safe” are rarely synonymous. Nature is replete with poisonous plants (deadly nightshade, wolf’s bane, foxglove, suicide tree, to name a few) not to mention spiders, snakes, scorpions, etc.

Why Safety is Important

General Safety Guidelines

General safety guidelines for essential oils, including dilution limits according to various modes of application and age ranges, and recommendations on how to prevent most adverse reactions.

General Safety Guidelines

Irritants and Allergic Reactions

In most people, an irritant or allergic reaction starts to manifest within 5 or 10 minutes of applying an essential oil and can be almost instant.

Irritants and Allergies

Cinnamon Special Report

Our findings confirm that these are high-risk essential oils when used topically and that most people should dilute them to 1% or less for safe use.

Cinnamon Special Report

Adverse Reaction Database

The Tisserand Institute’s Adverse Reaction Database, or ARD, is a collection of self-reported adverse reactions to essential oils.

Adverse Reaction Database

Bath Safety

A bath with essential oils can very easily turn unpleasant if you don’t follow one simple rule – disperse!

Bath Safety

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External Resources

We have compiled a list of other reliable online resources for your continued study, including institutes, directories, journals, and more.

Follow Tisserand Institute for updates on the safe and effective use of essential oils.

Essential Oils Blog


Essential Oil Safety