They may have been told essential oils never expire to justify a high price tag. The truth is, essential oils do have a shelf life â€“ regardless of the brand. Because. . Orange (sweet) Citrus sinensis, Citrus aurantium var. sinensis, 1 year. Oregano .
You may have been told that pure essential oils do not expire because they are natural. Citrus fruit, frankincense, lemongrass, neroli, spruce, tea tree and pine
Essential Oil Shelf Life. Pure essential oils do not go rancid. Over time, however, essential oils can oxidize, deteriorate and gradually lose their therapeutic value and aromatic quality.
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!