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Moxa is burned near the skin, not on it, in ordinary practice. Here is the difference between warming techniques and scarring ones, and what safety data show.
Where this idea comes from
Moxibustion involves burning a dried herb, and burning things near bodies produces burns sometimes. Photographs of scars from an older technique circulate widely, and the image is memorable enough to define the whole practice. The word itself sounds like combustion, which does not help.
There is also the smoke. A treatment that fills a room with the smell of burning mugwort feels risky to anyone who has not seen it done, and that feeling is reasonable. What it is not is a description of how the technique is normally performed in a European clinic, with ventilation and a controlled distance. Seen once, with the skin checked between cones, the risk looks different from the photograph.
What Chinese medicine actually says
Classical practice distinguishes several methods. Indirect moxibustion places a moxa cone on a slice of ginger or salt, or holds a burning roll above the point until the skin feels warmth, and the skin is never punctured or scorched. That is what most clinics mean when they offer moxa today.
Direct or scarring moxibustion does burn the skin deliberately and leaves a small scar. It is a distinct technique, used in specific traditional contexts and rarely in France. The tradition itself warns about burns, lists contraindications over insensitive skin, and regards the patient's comfort as a limit rather than an obstacle.
What the research says
Safety surveys of acupuncture practice record burns and local skin reactions among the uncommon adverse events, and they are usually mild when they occur. The German observational study of more than 200,000 patients and the British surveys of tens of thousands of treatments both describe a low rate of such events, with serious injury rare.
Evidence for the therapeutic effect of moxibustion specifically is thin and heterogeneous. Trials exist for breech presentation and for a few pain conditions, often small and difficult to blind. It is reasonable to describe moxa as an adjunct with plausible warming effects and limited proof, rather than as a treatment with a strong evidence base.
What you can realistically expect
Moxibustion at Centre Équilibre in Grenoble is offered in its indirect form: Ghislaine Morin keeps a hand near the skin to monitor heat and stops at the first complaint of discomfort. The room is ventilated, the technique is explained before it starts, and nobody is asked to accept a scar as part of the process.
The TCM dispensary she runs at the centre supplies moxa rolls and related products, and the same rule applies to them as to herbs: they are tools with indications and limits, not souvenirs. If you are offered moxa, you should be told which method is being used and what it will feel like. Anything less specific is a reason to ask again.
When to consult, and when not to
Consult only after telling the practitioner if you have diabetes, neuropathy, poor circulation or reduced skin sensation, since you may not feel heat before damage occurs. Mention any blood-thinning medication, recent surgery or skin condition in the area. Those are reasons for caution, not automatic exclusion.
Do not accept direct scarring moxibustion without a clear explanation of the mark it leaves, and do not accept any technique that burns you without warning. Do not use moxa on anaesthetised or broken skin. A burn that blisters, or any wound that is not closing over, needs medical attention rather than another session.
Frequently asked questions
Does moxibustion always leave a burn or a scar?
No. Indirect moxibustion warms the point from a short distance or through a slice of ginger or salt, and the skin is not injured. Scarring moxibustion is a separate technique that deliberately burns the skin and is rarely used in France. Ask which method is being proposed.
Is moxibustion safe for everyone?
Not for everyone. Reduced skin sensation, diabetes, neuropathy, poor circulation and blood-thinning medication all raise the risk of a burn you do not feel. Broken or inflamed skin should be avoided. With those precautions, indirect moxa is generally well tolerated in ordinary practice.
What does moxibustion smell like, and is the smoke harmful?
It smells of burning dried mugwort, earthy and pungent, and the smell lingers on clothing. Ventilation matters, and clinics that use moxa regularly should extract the smoke. Anyone with asthma or respiratory sensitivity should mention it before the session rather than during it.
Useful links
Sources
- NCCIH, "Traditional Chinese Medicine: what you need to know", accessed 2026 — https://www.nccih.nih.gov/health/traditional-chinese-medicine-what-you-need-to-know
- White A et al., "Adverse events following acupuncture: prospective survey of 32 000 consultations", BMJ, 2001 — https://doi.org/10.1136/bmj.323.7311.485
- Witt CM et al., "Safety of acupuncture: results of a prospective observational study with 229 230 patients", Forsch Komplementmed, 2009 — https://doi.org/10.1159/000209315
- Auteur:Ghislaine Morin
- Lien:https://accuponcture-grenoble.com/en/en/article/moxibustion-burns-the-skin
- Droit d'auteur:Sauf mention contraire, les contenus de ce site sont publiés sous licence CC BY-NC-SA 4.0 — merci d’indiquer la source.