And the answer to that question is YES.
Most of the times, you can go by the smell or the look of the product's content. If there is a form of discoloration or weird odor, the product might have expired. However, most products have a label on the product's container showing the expiration date.
The date ranges from 12 months to 24 months after opening.
How do you find out what that date is?
Look at the container, find a picture of an open jar. Similar to this:
It will be a good idea to label on your product the date you opened it. This will help you keep track of the expiration date.
Did you know that even your makeup expires? Here is my mascara... which I love:
|It expires 6M (6 months) after opening|