From lipstick to mascara, find out exactly when you should be replacing your favorite cosmetic items.
The reason: Gel and liquid liners that are applied with a brush should be tossed every six months to avoid an eye infection. Eye pencils and retractable pens have a longer shelf life since they're constantly getting sharpened or worn down. Just in case you don't use them up in a year, they should meet the trash can after the first anniversary.
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