Gua sha is a traditional healing technique from East Asian medicine that involves scraping the skin’s surface with a smooth-edged tool to promote blood flow and relieve muscle tension. The name roughly translates to “dredging meridian stagnation,” and the practice has been used for centuries across China and Southeast Asia to treat pain, tightness, and inflammation. Today, it’s used both as a therapeutic bodywork technique for chronic pain and as a popular facial self-care ritual.
How Gua Sha Works
During a gua sha treatment, a practitioner (or you, at home) presses a flat, smooth tool against oiled skin and strokes it repeatedly in one direction. The pressure is firm enough to push blood through the tiny vessels beneath the skin’s surface, dramatically increasing local circulation. A pilot study on healthy subjects found that gua sha caused a fourfold increase in microcirculation at the treated area within the first seven and a half minutes, with significantly elevated blood flow lasting for at least 25 minutes after treatment.
That surge of blood flow does more than warm the tissue. The mechanical pressure expands both blood vessels and lymphatic vessels in the layers just beneath the skin. With wider vessels, fluid exchange speeds up: blood, lymphatic fluid, and the fluid sitting between your cells all circulate more efficiently. This is why gua sha is sometimes described as promoting “lymphatic drainage,” though the effect is really a general boost to local circulation rather than a targeted drain of one system.
The Red Marks Are Normal
The most distinctive feature of gua sha is the reddish or purplish spots that appear on the skin during treatment. These are called “sha” in traditional practice (loosely translated as “stagnant blood”) and are known medically as petechiae, tiny dots of bleeding from broken capillaries just under the skin’s surface. They can look alarming, almost like a rash or bruising, but they’re an expected part of the technique. The thinking is that this controlled micro-injury triggers an anti-inflammatory response, prompting the body to send healing resources to the area.
On the body, where firmer pressure is typical, these marks can be quite vivid and may take two to five days to fade. On the face, the goal is gentler. You want light redness at most. Pressing too hard on facial skin can burst capillary beds and leave actual bruises, so lighter pressure is key when using gua sha around the eyes, cheeks, and jawline.
What Gua Sha Can Help With
Gua sha has the strongest evidence for musculoskeletal pain. Clinical trials have tested it against acupuncture for several conditions, and the results are encouraging. In a randomized trial of 120 people with fibromyalgia, those treated with gua sha reported significantly less pain and fewer pain points than those who received acupuncture. A separate trial found gua sha outperformed acupuncture for recovery rates in frozen shoulder (scapulohumeral periarthritis). And in a controlled study of 76 people with cervical spondylosis, a degenerative neck condition, gua sha again showed a higher recovery rate than acupuncture alone.
Beyond formal studies, gua sha is commonly used for neck pain, shoulder tension, general muscle soreness, and headaches. The mechanism makes intuitive sense: if a muscle is tight and circulation is sluggish, forcibly increasing blood flow to the area can help relax the tissue and reduce inflammation. Many people also report that facial gua sha reduces puffiness, particularly around the jawline and under the eyes, likely because the improved fluid exchange helps move excess interstitial fluid out of swollen tissue.
Tools and Materials
Traditional gua sha tools were made from buffalo horn, porcelain spoons, or even coins (the practice is still called “coin rubbing” in some Southeast Asian communities). Modern tools are typically shaped like a flat, curved stone with smooth edges and come in several materials. Jade and rose quartz are the most popular for facial gua sha because they feel cool against the skin and glide well with oil. Stainless steel tools are more durable and easier to sanitize, making them common in clinical settings. The shape matters more than the material: you want a tool with a smooth, rounded edge that can follow the contours of your face or body without catching or dragging.
A lubricant is essential. Scraping dry skin creates friction that can irritate or damage the surface. For facial gua sha, a generous layer of facial oil lets the tool glide smoothly without pulling. For body treatments, massage oil or even a thick balm works.
How to Use Gua Sha on Your Face
Start by applying facial oil across your face, neck, and chest. Hold the tool at a 30 to 45 degree angle against your skin, nearly flat rather than perpendicular. Using light to medium pressure, stroke outward and upward from the center of your face. Common patterns include sweeping from the center of the forehead toward the temples, from beside the nose across the cheekbone toward the ear, and along the jawline from chin to earlobe. Each stroke should move in one direction only, not back and forth.
For the neck, stroke downward from the jaw toward the collarbone. This follows the natural direction of lymphatic drainage in that area. Five to ten strokes per zone is a common recommendation. The whole routine takes about five to ten minutes. You should see mild pinkness, which indicates increased circulation, but if you’re seeing deep redness or feeling pain, ease up on the pressure.
Body Gua Sha Is Different
Facial gua sha is gentle and cosmetic. Body gua sha, as practiced in traditional medicine, is a more intense therapeutic treatment. A practitioner uses firmer pressure across larger muscle groups like the back, shoulders, and legs. The strokes are longer and more forceful, and the resulting petechiae are more pronounced. Sessions typically happen once every three to five days for a series of treatments, depending on the condition being addressed. In the fibromyalgia trial, for example, patients received five sessions spaced three days apart.
Body gua sha is best done by a trained practitioner, at least initially. The pressure needs to be firm enough to be effective but controlled enough to avoid tissue damage. A skilled practitioner can also read the sha pattern, using the color and distribution of the marks to assess what’s happening in the underlying tissue.
Who Should Avoid Gua Sha
Because gua sha intentionally breaks tiny capillaries, it’s not appropriate for everyone. People taking blood-thinning medications bruise more easily and may develop excessive bleeding under the skin. Anyone with a bleeding disorder should avoid it for the same reason. Active skin conditions like eczema, psoriasis, sunburn, open wounds, or active acne in the treatment area are also reasons to skip gua sha, since scraping over compromised skin can worsen irritation or spread infection.
If you have rosacea or very sensitive skin, facial gua sha requires extra caution. The increased blood flow can trigger flushing or flare-ups. Starting with very light pressure and a small test area is a reasonable approach. For body gua sha over areas with moles, raised scars, or varicose veins, simply work around them rather than scraping directly over them.