Originally Posted by nomed
If a product has a shelf life it'll have small symbol somewhere on the container or packaging. The symbol looks like a jar with the lid off and numbers followed buy the letter "M." 24M for example.
Just check this out: http://www.dermaviduals.com/english/...-unstable.html
You are incorrect. The PAO symbol (product after opening) that you mention does not state the shelf life of the product but the number...