The Aromahead Blog - Aromatherapy Education and Resources

How to Know if an Essential Oil is Pure (This Method Is Reliable!): All About GC/MS Testing

by Andrea Butje on December 04, 2009

Here is a reliable way to know if an essential oil is pure (and why you should care).

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How to Know if an Essential Oil is Pure (This Method Is Reliable!): All About GC/MS Testing

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Available: The Heart of Aromatherapy by Andrea Butje!

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