Using a Dermaroller for Hair Growth Works, Say Experts

If you're a skincare enthusiast, you've probably heard of or even tried dermarolling. The at-home skincare treatment utilizes a device with tiny needles to puncture the skin to boost collagen, improve product absorption, and even fade dark spots. As it turns out, the benefits of using a dermaroller extend to scalp and hair health, says Helen Reavey, a celebrity hairstylist and the founder of Act+Acre. Reavey's the expert on dermarolling, especially as it pertains to your scalp—because she actually does it herself. After seeing a video of Reavey dermarolling on Instagram, we were curious to find out how exactly it helps her locks as well as the right way to do it. We spoke with Reavey and a slew of experts to answer all our questions and learn more about the benefits of dermarolling for hair, ahead. What Is Dermarolling for the Scalp? Dermarolling the scalp is the process of causing trauma to the skin to trigger increased blood flow, says Afope Atoyebi, a certified trichologist. "When u...