Nature: sour, toxic, warm
Enters: Kidney, Large Intestine
Topical Actions: Kills parasites; eases itching; relieves toxicity.
• Scabies, eczema, ringworm, Yin furuncles, damp festering sores, ulcers, carbuncles, itching, acne.
• Used as powder or paste. Also available in soap form (e.g., Thylox) for acne.
Hsu: Dissolves corneous skin, can cause hair to fall out.
Internal Actions: Tonifies kidney Yang (strengthens Ming Men fire); promotes bowel movement.
• Yang deficiency, internal cold: asthma, impotence, painful lower back and knees
• Cold: constipation, especially in the elderly (works by helping the Yang to pass the stool and also by irritating the wall of the gut by forming sulfides – more pronounced effect when there is an abundance of fatty substances in the gut).
Hsu: Antifungal, purgative.
Internal Dose: 1-6g (pills and powders)