Chuan Jiao | Pericarpium Zanthoxyli | Sichuan Peppercorn
Properties: Acrid, Hot, Slightly Toxic
Channels Entered: Kidney, Spleen, Stomach
Chuan Jiao, commonly known as Sichuan Peppercorn, is a warming and harmonizing herb in Traditional Chinese Medicine. Its acrid, hot nature makes it especially useful for dispelling internal cold, supporting digestive function, and alleviating discomfort associated with damp‑cold patterns. In our yoni steam, Chuan Jiao brings targeted warmth to the middle burner and lower abdomen, supporting comfort, circulation, and a soothing sense of stimulation.
In TCM, it is classically described as dispersing cold and dampness, tonifying the fire at the Gate of Vitality (Ming Men), and alleviating pain. Its warming effect can help with cold sensations, sluggish circulation, and certain patterns of vaginal discharge or itch related to cold‑damp imbalance.
Because Chuan Jiao is hot and slightly toxic, it is always used in small, carefully measured amounts. In steam applications, this contributes to a noticeable but gentle warming and tingling sensation without overwhelming tissues.
Active Constituents
- Sanshools — provide the characteristic tingling or warming sensation during steam use
- Volatile oils and terpenes — aromatic components that support circulation
- Alkaloids, flavonoids, and coumarins — contribute antioxidant and comfort-related effects
- Lignins — support tissue interaction and resilience
Sanshools are well documented for their sensory effects, including gentle nerve stimulation, which can enhance the perception of circulation. Modern research on Zanthoxylum species aligns with traditional use, highlighting antioxidant activity, peripheral circulation support, and mild analgesic effects, all of which help explain Chuan Jiao’s warming and soothing properties in our steam.
In our Yoni Steam, Chuan Jiao is combined with aromatic and harmonizing herbs to create a subtle warmth that supports comfort, balance, and the movement of damp‑cold stagnation. The result is a targeted, soothing, and restorative steam experience.
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Citation:
Bensky, D., Clavey, S., & Stöger, E. (2004). Chinese herbal medicine : materia medica. Eastland Press, Cop.
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Choi, W.-G., Ko, S.-J., Jung, D., Kim, S. C., Choi, N.-R., Park, J.-W., & Kim, B. J. (2024). Therapeutic Effects of Zanthoxyli Pericarpium on Intestinal Inflammation and Network Pharmacological Mechanism Analysis in a Dextran Sodium Sulfate-Induced Colitis Mouse Model. Nutrients, 16(20), 3521–3521. https://doi.org/10.3390/nu16203521