Purple Cowrie Shell Classic Formulas … Natural Herb Library

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Calms the Liver and anchors floating yang ... Zi Bei Chi is used for dizziness, headache, red eyes, and visual strain when heat or rising Liver activity disturbs the upper body.
Tranquilizes the spirit and settles fright ... older usage includes vexation, palpitations, insomnia, and childhood fright patterns where a heavy shell substance is employed.
Clears Liver heat and brightens the eyes ... traditional application includes red painful eyes, superficial eye clouding, and irritative eye complaints.

Heavy-substance anchoring combinations pair Zi Bei Chi with Shi Jue Ming or Zhen Zhu Mu for headache, dizziness, and eye symptoms.
Eye-focused powders combine it with Ye Ming Sha or Mi Meng Hua for red eyes and superficial visual obstruction.
Spirit-calming combinations pair it with Long Gu or Mu Li when fright, palpitations, or restless sleep accompany upward agitation.

Traditional glossary and materia medica sources summarize Zi Bei Chi as a salty, neutral shell medicine used to calm the Heart, clear Liver heat, and brighten the eyes.
Older usage also includes finely levigated topical eye applications, but modern practice usually treats those historical records cautiously rather than casually reproducing them.