Black Tin Powder,*Bai Yi*, Volume 20.,
Black Tin Powder
Disclaimer: These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure, or prevent any disease. All references in this article to TCM syndrome differentiation, herbal medicines, teas, and decoctions are intended to promote TCM culture and are provided solely for educational and reference purposes.
Formulas Name : Black Tin Powder
Chinese Name : 黑锡散
Drug Formulation
1 jin of black tin (melt into liquid; add 10 liang of white lime from mulberry or oak wood and stir-fry until the tin is completely absorbed; then add 4 liang of rock salt and stir-fry briefly; allow to cool, grind into a powder, seal in a porcelain jar, bury underground for 5 days, then remove and use as the base for the following formula), 1 liang of Cimicifuga, 1 liang of Asarum, and 4 liang of Terminalia chebula.
Source
*Bai Yi*, Volume 20.
Processing
Roast the above ingredients until black, then mix thoroughly with the powdered ingredients listed before and after.
Instructions for Use
If used as a tooth-whitening remedy for 100 days, teeth will naturally turn black; if immediate results are desired, brush teeth daily and gargle with fine wine—results will be visible in just one month.
Copyright: Excerpt from *Bai Yi*, Volume 20., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 25, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 25, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 25, 2026
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Black Tin Powder