by Alex St-Gelais Anyone seeking information about essential oil quality soon learns about the existence of gas chromatography (GC) testing. Quite often GC and GC-MS (gas chromatography / mass spectrometry), are discussed as if they were synonymous. This is not the...
by Hana Bělíková Danielle Sade, BSc, CAHP, has over 30 years of experience in the field of aromatherapy and skincare; she owns and runs a successful school in Canada and is a past president of the Canadian Federation of Aromatherapy. Not only is she passionate about...
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