Stephanie says…In some products they have a picture of what looks like a cream jar with a number followed by a capital “M”. For example, in Revlon’s Colorstay Liquid Eye Pen (the one with the felt tip) the jar appears with “6M” inside the picture. What does this mean?
The Right Brain responds:
Steph, what you’re referring to is the symbol for “Period After Opening,” or PAO, which is a type of expiration date that is required on cosmetics sold in the European Union. We mentioned this on our...
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