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Essential Oils and Seasonal Affective Disorder

Essential Oils and Seasonal Affective Disorder

by Robert Tisserand, Hana Tisserand | Mar 2, 2026 | Aromatherapy, Psychology, Research

Robert and Hana Tisserand This is an updated and expanded version of this article, originally published in January 2016. Feeling unusually sad is not uncommon in the winter months, especially in places that experience only a few hours of daylight. But there is a...
The planet-cooling effects of aromatic plants

The planet-cooling effects of aromatic plants

by Robert Tisserand | Aug 8, 2025 | Essential Oils, General, Sustainability

“It now appears that the world would have warmed more than it has were it not for the aromatic cocktail of chemicals emitted by plants. It turns out that this can change the weather – and anything that changes the weather day after day and year after year...

From Research to Real World Application: an Interview with Marija Lesjak

by Robert Tisserand | May 21, 2024 | Aromatherapy, General, Research

When reading research papers we have realized that very often there is a gap, sometimes even a chasm, between how scientists understand the use of essential oils and how the oils are actually used. To address this we wanted to communicate directly with the researchers...

Cognitive Health and Essential Oil Research: an Interview with Mark Moss

by Robert Tisserand | Mar 15, 2024 | Aromatherapy, General, Research

When reading research papers we have realized that very often there is a gap, sometimes even a chasm, between how scientists understand the use of essential oils and how the oils are actually used. To address this we wanted to communicate directly with the researchers...
Dilution for essential oils

Dilution for essential oils

by Robert Tisserand | Jan 22, 2024 | Aromatherapy, Essential Oils, Formulation, Safety

With thanks to Hana Tisserand for her input. You probably know that most authorities advise dilution of essential oils before use, especially if applying to the skin. There are many reasons to dilute, and we will go through them here, along with an explanation for...

Michael Leon on Olfactory Enrichment and Aromatherapy

by Robert Tisserand | Jan 22, 2024 | Aromatherapy, General, Research

When reading research papers we have realized that very often there is a gap, sometimes even a chasm, between how scientists understand the use of essential oils and how the oils are actually used. To address this we wanted to communicate directly with the researchers...
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