Expired Products: Are They Safe to Use?

3. Sunglasses

Ends in: Two Years $30 is the average price. Imagine spending an outrageous sum of money on a pair of designer sunglasses just to find out that they will become outdated in two years. A 2016 study found that, over time, sunglasses can deteriorate from sun exposure, losing some of their UV protection for the eyes.

Sunglasses/SShutterstock ©mavo That being said, regardless of how much you paid for them or how well they're kept, sunglasses should be updated every two years. For many, this could prove to be a pricey realization, depending on their eyewear preferences. Although nobody wants to learn that their $400 spectacles are no longer functional, wouldn't it be preferable to know than to live in blissful ignorance? Which is more essential, looking good while on vacation or returning with your vision intact? We'll let you handle that one.