Manufacturers don't use expiration dates to tell you when it's time to throw something away, but rather to tell you that they can no longer guarantee their product is perfect after a certain amount of time.
Items With Surprising Expiration Dates
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Key Facts In This Video
Mascara expires after only two to three months. 01:41
Anti-acne creams usually break down within three months of opening (even sooner if they're natural). 02:11
Honey and nail polish remover never expire. 03:19