Most of our products are good for a year after purchase. There are some oils though that expire after a few months. The majority of the labels on our oils have an expiration date on the lower left hand side. It will look like this:
If you have any questions, you can also either give us a call at 1.877.627.7883 or email email@example.com to find out more about your specific product.
For more information, here's a handy blog post that has a downloadable PDF with the most common oils and their uses, expiration dates, and SAP values.