There are many different types of facial massages out there, but only one has dominated our social media feeds in recent years. ICYMI, we’re referring to gua sha — a form of tissue manipulation derived from traditional Chinese medicine known to depuff and sculpt the face. To find out more about the self-care practice that’s got everyone buzzing lately, keep reading. We asked skincare experts how to use the ancient tool and recommended some of our favorite facial oils to pair it with.