If you keep your vitamin E oil tightly capped in a cool, dry place, it should last for 2–3 years. However, it depends on exposure because it can go rancid since it is a fat-soluble vitamin. read more
The carrier oils may have gone rancid and even though the essential oils added to them may have a longer shelf life, the essential oils will not extend the life of the carrier oil. Contrary to common practices by many folks, adding Wheat Germ oil or Vitamin E as a preservative WILL NOT work. read more