Eclipta

Traditional Use

Primary Actions

• Nourishes Liver and Kidney yin - Han Lian Cao is classically used for dizziness, tinnitus, weak low back and knees, premature graying, and other deficiency signs rooted in depleted Liver-Kidney essence.
• Cools blood and stops bleeding - it is a standard gentle hemostatic herb for uterine bleeding, hematuria, nosebleeds, and other bleeding patterns with heat or yin deficiency in the background.
• Benefits the hair and preserves essence - traditional use strongly associates Han Lian Cao with darkening hair, reducing hair shedding, and treating signs of premature aging linked to deficiency.

Secondary Actions

• Han Lian Cao is often paired with Nu Zhen Zi as a balanced yin-nourishing combination that supports the Liver and Kidney without being overly cloying.
• Compared with hot astringent tonics, it has a cooler and more blood-focused profile, which is why it crosses naturally into bleeding and hair-support formulas.

Classic Formulas

• Er Zhi Wan - the classic Han Lian Cao and Nu Zhen Zi pair for Liver-Kidney yin deficiency, tinnitus, hair changes, and constitutional depletion.
• Bleeding formulas may combine Han Lian Cao with Ce Bai Ye, Bai Mao Gen, or other blood-cooling medicinals when heat and bleeding coexist.
• Modern hair and premature-graying formulas frequently use Han Lian Cao as the core essence-preserving herb.

Classical References

• Later materia medica consistently describe Han Lian Cao as a sweet-sour, cooling herb that supplements deficiency while stopping bleeding.
• Traditional texts link its blackening-hair reputation to nourishing Liver blood and Kidney essence rather than to simple topical cosmetic action.
• Its dual role in bleeding and deficiency makes it one of the more elegant examples of a hemostatic herb that simultaneously treats the root.