
The good news? Although mascara and lipstick are still a no-go in the Yankee swap of makeup, there are some products whose preservatives will kill off any bacteria. Of course, you should investigate this on a case-by-case basis. Check out the full list from Shape, but in general, go with your gut: If the thought of sharing a product with someone makes you go, "Ew!" you should probably just buy your own. (
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