If you wear makeup, here's a pop quiz: how old are the products in your cosmetics drawer? Some companies give you the benefit of an expiration date, but for others, it's up to you to remember when you bought the stuff. Why do you need to remember? As you'll see in the video below, the longer you have a product, the easier it is for bacteria to colonize within it—and end up on your skin.
What's In Your Expired Makeup?
Answer: so much bacteria.
Expiration Dates Explained
What do the dates actually mean?
Written by Curiosity Staff February 17, 2017
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