This $30 Device Could Fade Your Acne Scars — If You Can Handle Needles

"You're kidding..." I said, peering at my skin in the bathroom mirror, the morning after rolling 540 microneedles across my face. My incredulity stemmed from the fact I'd spent two weeks battling blemishes, using every product in my skin-care arsenal to try to get the red spots, scars, and blackheads to back the hell off. Nothing had worked, from salt water to salicylic acid, and I was tired of piling on foundation, having given it up for the past few months. I'd been reading about...