We don’t always have the answers, but we have some people on speed dial who do — which is why we present to you our series FYI where we have experts explain if lip balm is actually bad , how often should you wash your hair and more. You’ve probably heard of dermarolling — also referred to as microneedling — for your face. The process can be done at home or in office and involves using a device with lots of little needles to puncture the skin with the goal of increasing collagen production and