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When you pull your fave bottle of nail polish from your beauty stash only to find it has turned into a thick, gloppy mess, it can put a damper on your nail styling session. Unfortunately, air and nail polish don't play nice together -- the air takes its toll on the polish, causing it to dry out. Fortunately, you can take steps to keep the polish from morphing into good-for-nothing blobs with some attention to prevention.

