Facial Gua Sha and Gua Sha Tools: Claims, Evidence and Skin Safety

Two different things share one name

Traditional gua sha is a technique in which the body surface is press-stroked with a smooth-edged instrument to intentionally raise small marks (petechiae). [1] Facial gua sha, as promoted on social media and by sellers, uses a flat tool on the face for beauty purposes. We did not find a source we could read that traces the history of the facial version, so we do not claim one. For the traditional therapy see Gua Sha.

Claims you may see, and the evidence

Common claims are lifting, "sculpting," smoothing wrinkles, reducing puffiness, draining toxins and improving circulation. A 2023 dermatology journal article asks whether gua sha, jade rollers and facial massage have benefits in dermatology. [2] We could read only its title and citation, not its findings, so we do not report its conclusions.

The one trial we found compared two tools:

• Who and how long. 34 women aged 20 to 50 were randomly assigned to a facial roller or a gua sha tool. They massaged for 10 minutes, five times a week, for 8 weeks. [3]
• What it measured. Surface distances on the face, muscle tone and skin elasticity.
• What it found. Facial surface measurements fell by 2.23 to 2.40 mm in the gua sha group. [3] The authors concluded gua sha acted primarily through changes in muscle properties and the roller through skin elasticity. [3]
• Limits. The trial was small and short, and it compared two tools with each other. There was no untreated group, so it cannot show how much any change came from the massage itself. Labels: insufficient evidence for wrinkle, lifting or detox claims; preclinical or traditional use only for circulation claims.

Wrinkles, sagging and puffiness: Proper evidence not found beyond that trial, after searching PubMed for facial gua sha and facial roller studies.

Skin safety

• Marks and bruising. Traditional scraping can cause bruises, abrasions, blisters and burns. [4] Pressure hard enough to leave marks on the face is a bad trade for a cosmetic goal.
• Skin conditions. If you have rosacea, eczema, acne, a rash, sunburn, or are using strong prescription skin products, ask a dermatologist before trying any tool. See Rosacea and Eczema.
• Allergies and oils. A lubricant or oil is not part of any trial we read. Check ingredients, as with any product on facial skin.
• Eyes and neck. Keep tools away from the eyes. Do not press on the front of the neck.
• After procedures. After injectables, laser, peels or surgery, ask the clinic before using any tool.
• Stop signs. Stop and seek care for pain, swelling, spreading redness, blisters, or any new lump.

Tool hygiene

Safety authors say reusable gua sha instruments need high-level disinfection because of the risk of bloodborne pathogens. [5] That standard is written for practitioners and shared tools. For personal use, do not share a tool, and avoid using it on broken skin or active acne, where bacteria could spread.

Materials and claims on sellers' pages

Sellers may claim a stone, such as jade or quartz, cools the skin, carries energy or adds minerals. We found no trial testing material differences. We do not recommend products or brands.

Questions to ask first

• Who benefits from the claim, and what is the evidence? See How to Evaluate a Therapy Claim.
• Does a dermatologist or licensed practitioner endorse it for your skin type? See Skin and Hair Safety: When to See a Doctor.