Formula can be found in Si Chuan Zhong Yi ( Sichuan Chinese Medicine ), issue #1, 2008, p. 108, “Qing Yin Tang (Clear Silver Decoction) as the Main Treatment for 36 Cases of Psoriasis” by Zhu Hong-jun, Dermatology Dept., Anyang Municipal Chinese Medicine Hospital, Henan.

Functions
Dispels wind and clears heat, eliminates dampness and resolves toxins, kills chong (or “parasites”) and stops itching.

Formula Rationale
Bai Fan (Alum) and Shi Gao (Gypsum) clear heat, dry dampness, and resolve toxins[. When applied externally, Tu Jing Pi (Cortex Psuedolaricis), She Chuang Zi (Fructus Cnidii), Bai Bu (Radix Stemonae), and vinegar kill parasites, dispel dampness, and stop itching. Liu Huang (Sulfur) heals the skin and promotes the engenderment of new, healthy tissue.

• White Vinegar
• Grain Alcohol
• Stemona (Bai Bu)
• Cnidium Fruit (She Chuang Zi)
• Golden Larch Bark (Tu Jin Pi)
• Sulfur (Liu Huang)
• Gypsum (Shi Gao)
• Prepared Alum (Ku Fan)