Does Vitamin E Oil Expire? 2026 Shelf Life & Storage Guide
Yes, vitamin E oil expires. The d-alpha-tocopherol molecule reacts with oxygen in the air and degrades through a process called lipid peroxidation, eventually turning the oil rancid. An unopened bottle stored in a cool, dark place typically lasts 1 to 3 years past its manufacture date. An opened bottle exposed to air, light, and bathroom…