Known as a dermaroller, this skin-care tool looks like a mini paint roller (or a jade roller) filled with teeny, tiny needles. And while, yes, intentionally pricking your face over and over again with needles might sound like a form of medieval torture, dermarolling can actually help you get one step closer to smoother, younger-looking skin. 

Ahead, experts break down how to safely use a dermaroller and the best dermarollers you can buy.

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