What is the shelf life for the Hi-Intensity™ Teeth Whitening Gel?

Unrefrigerated, our Hi-Intensity™ Teeth Whitening Gel has a 2 year shelf life. Refrigerating the Hi-Intensity™ Teeth Whitening Gel adds 1 year of shelf life to that 2 years for a total of 3 years. Our Hi-Intensity™ Teeth Whitening Gel is never more than 4-6 weeks old when you receive it because we are the manufacturer. DO NOT FREEZE our Hi-Intensity™ Teeth Whitening Gel!