No doubt you’ve heard of jade rolling, but what about gua sha? It’s like jade rolling’s older, more intense sister. An ancient Chinese healing technique—even older than acupuncture—gua sha roughly translates to “scraping.” It involves using a small, smooth stone scraping tool against the skin to massage and stimulate muscles and tissues. When it's done on the body, gua sha can be an intense (though not painful) experience. The scraping can cause bruising and broken capillaries that leave you with visible marks for a couple of days, but it's a beneficial treatment option for many people with chronic pain or tightness. (Pro tip: avoid looking up pictures of gua sha on the body if you're squeamish. They're not pretty, and they can't be unseen.) Facial gua sha, on the other hand, is very gentle and leaves no marks. It's used by many in-the-know beauty gurus not only for its skin benefits (which include firmer skin, fewer breakouts, and a hydrated glow), but also for its ability to relax facial muscles. We talked to Dara Kennedy, founder of natural skincare brand