On the tubes, a little lot # is stamped into the seal on the end. For a jar it is printed on the label. That is the date of manufacture.
Instructions on insterpreting the lot #:
- First 2 digits are the month (1=January - 12=December)
- Third digit represents the year (1=2021, 2=2022, etc.)
The expiration date is 5 years after the DOM.