What is moxa?
Moxa is processed mugwort (Artemisia) used for moxibustion. How it is made, its grades, forms (loose wool, sticks, cones, charcoal), the plant species, and how the word 'moxa' entered English.
Short answer: moxa is the processed mugwort used in moxibustion. Dried leaves are aged, ground and sieved into a soft fluff, called moxa floss or moxa wool, which is burned loose or formed into sticks and cones [1][2]. In China it is usually made from Artemisia argyi [3].
Where the word comes from
“Moxa” comes from the Japanese mogusa (from moe-gusa, “burning herb”). Hermann Buschoff spelled it “Moxa” in the first Western book on the subject (1674) [1]. In Chinese the plant is ài (艾); in Japanese, yomogi [1].
How moxa is made
Leaves are dried, aged, ground and sieved until only the soft leaf fibre remains. The finer the wool, the more evenly and gently it burns [2]. Products are graded by refinement ratio (for example 3:1 or 15:1) and storage years [4]. See How moxa floss is made.
Forms of moxa
| Form | Description | Typical use |
|---|---|---|
| Loose moxa wool | Soft floss in grades from coarse to ultra-fine | Cones, okyu threads, moxa boxes [1][2] |
| Moxa stick (roll) | Floss rolled in paper, cigar-shaped | Suspended (indirect) moxibustion [2] |
| Moxa cone | Compressed cone or cylinder | On a base, needle or insulating slice [5] |
| Stick-on moxa | Small cone on an adhesive, insulating base | Self-adhesive indirect moxa [1][6] |
| Charcoal (smokeless) moxa | Carbonized mugwort with binder, as sticks or cones | Low-smoke indirect moxa [7][8] |
| Medicated moxa | Moxa mixed with powdered herbs (e.g. Taiyi, Thunder-fire) | Traditional formulas [9] |
Moxa quality
Moxa quality is judged by leaf origin, refinement, impurities and age. ISO/TS 6818:2024 offers a test for the waste-particle concentration of moxa floss [10]. Production is concentrated in regions such as Nanyang and Qichun [11][12]. See Moxa quality grading.
Not to be confused with
- Moxa Inc., a networking hardware company. Searches for “moxa manufacturer” often return it [13].
- الشيح (shīḥ): in Arabic this usually means Artemisia herba-alba, a different plant [14].
- Moxal, a pharmaceutical brand that dominates some Arabic searches (موكسال) and is unrelated to moxa [13].
Related pages
FAQ: related questions
What is moxa made from?
Moxa is made from dried mugwort leaves — in China usually Artemisia argyi — that are aged, ground and sieved into a soft fibre called moxa floss or moxa wool.
Is moxa the same as mugwort?
Moxa is made from mugwort, but the word refers to the processed material (floss, sticks, cones) rather than the living plant.
What does 'moxa' mean?
It comes from the Japanese mogusa ('burning herb'), spelled 'Moxa' by Hermann Buschoff in 1674.
Sources for this page
- Moxibustion (Wikipedia). en.wikipedia.org/wiki/Moxibustion
- The Case for Moxibustion for Painful Syndromes: History; principles and rationale (PMC9491495). pmc.ncbi.nlm.nih.gov/articles/PMC9491495/
- Wang et al. A review of the research progress on Artemisia argyi Folium: botany, phytochemistry, pharmacological activities, and clinical application. Naunyn Schmiedebergs Arch Pharmacol 2024. pubmed.ncbi.nlm.nih.gov/38775853/
- Jin et al. [Analysis on chemical compositions of Artemisia Argyi from Qichun of different years and moxa wool refined in different proportions]. Zhongguo Zhen Jiu 2010. pubmed.ncbi.nlm.nih.gov/20518175/
- How to Use Moxa Cones for Moxibustion (and Why) (AcuPrime). acuprime.com/moxa-cones-moxibustion/
- Study of the Density of Smoke and Harmful Gases of Adhesive Indirect Moxibustion (J Korean Med 2012). jkom.org/upload/33-1-4.pdf
- What is charcoal moxa (AcuPrime). acuprime.com/what-is-charcoal-moxa/
- How To Pick High-Quality Smokeless Moxa (Lierre). www.lierre.ca/blogs/featured/how-to-pick-the-right-moxibusti
- A Brief History of the Moxa Roll (Journal of Chinese Medicine). www.journalofchinesemedicine.com/a-brief-history-of-the-moxa
- ISO/TS 6818:2024 Test method for moxa floss quality. www.iso.org/standard/82372.html
- The current understanding of Artemisia argyi (Springer 2025). link.springer.com/article/10.1007/s44403-025-00026-z
- Artemisiae Argyi Folium and its geo-authentic crude drug qi ai (J Tradit Chin Med Sci 2017). www.sciopen.com/article/10.1016/j.jtcms.2017.08.006
- Moxa Sourcing analysis of public search data (Google 'People also ask', autocomplete, AI Overviews; US, UK, AU and Arabic markets) and marketplace listings, November 2026.
- Artemisia herba-alba (Wikipedia). en.wikipedia.org/wiki/Artemisia_herba-alba
Last reviewed: . Editorial note: this guide re-edits published sources; it does not provide medical advice or new research.
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