Oxidation & the Shelf Life of Essential Oils


Fundamentals of Essential Oil Therapy

Essential Calculation



Instructor: Robert Tisserand

Do some essential oils improve with age? What is a “still note”? Can an essential oil oxidize if it is also an antioxidant? How do I know if an essential oil has oxidized? What about absolutes and CO2 extracts?

This single class delves into the issues of oxidation and the proper storage of essential oils. Robert Tisserand explains how oxidation impacts both safety and efficacy, how to best protect your oils from oxidation, and what to do once they have oxidized. Included is a printable handout with the shelf lives of most commonly used essential oils.

Updated on March 29, 2022


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