They may have been told essential oils never expire to justify a high price tag.. This oxidation can affect the therapeutic properties of the essential oil, as well. . DIY Organic Beauty Recipes (ebook), as well as Essential Living: Aromatherapy
You may have been told that pure essential oils do not expire because they are natural or what have you. However, this is far from being true! Essential oils do .
Do essential oils expire? I thought they would last forever, but I was so wrong. In fact, some popular essential oils lose their effectiveness after just 1-3 years!
Pure essential oils do not go rancid. Over time, however, essential oils can oxidize, deteriorate and gradually lose their therapeutic value and aromatic quality.