Description
Dian Dao San (Reverse Powder), from Golden Mirror of the Medical Tradition (Yi Zong Jin Jian).
Actions: Clear heat and dissipate stasis. Indicated for the treatment of rosacea and acne, with flushing of local skin, itch, and greasiness of skin
Indications: It is poisonous, and only for external use, not for oral administration
Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 861–873.
Composition
Energetics dose-weighted
The formula's overall nature, taste balance and channel reach, weighted by each herb's dose. Classical formulas often pair warm and cool herbs on purpose, so a net figure summarises the mix — it doesn't describe every herb in it.
Nature
Net slightly cool (-0.50)
From 100% of the weighed grams.
Grams by band: cold 50%, warm 50%.
Pairs warm and cool. 50% of the weighed grams are warm or hot and 50% cool or cold — the net is their average, not the whole story.
Taste
- sour 50%
- bitter 50%
From 100% of the weighed grams.
Channels reached
- Large intestine 100%
- Stomach 50%
- Spleen 50%
- Kidney 50%
- Pericardium 50%
- Liver 50%
Share of the grams entering each channel, from 100% of the weighed grams.
Dose-weighted from each herb's recorded nature, taste and channels (missing values are left out, never counted as neutral). It describes the composition — it is not a recommendation.
Preparation
Grind the ingredients into fine powder, add lime water 100 mL and mix evenly, and then apply on the affected area, 3–4 times a day
Relationships
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Formula Network
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Similar Formulas by composition
Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).
Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.
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