If you’ve seen smooth stone tools gliding across skin on social media or in facial treatments and wondered what’s happening, this guide is for you. Gua Sha is both a time-honored technique and a modern favorite for easing muscle tightness, improving mobility, and enhancing a fresh, sculpted look in the face. Below, we cover how it works, what it feels like, benefits, safety, and how it compares to other modalities you may have tried.