You’re taking a walk, sipping coffee with a friend, or helping your kid with homework when the urge strikes: You need ChapStick. Those dry, chapped lips demand your attention until they’re soothed. 

But then, just an hour or two after applying it, you feel that stick of Burt’s Bees call you again. It feels kind of like a substance dependency — the more you use it, the more you feel you need it. 

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