Blood of one part patient counteracts blaze the copper in the organization or coverlet protein content are apparent under normal person. Copper has important role in the companion in the metabolization inside body, especially in melanin synthesis. Cupreous content decreases, affect the active with cheese ammonia enzymatic acid directly, of enzymatic active of cheese ammonia acid reduce the synthesis that brought about melanin to decrease, make the skin whiten thereby.

　　
Ancient bronze mirror this, patient of wind of white purplish or white patches on the skin can contact a few bronze ware more in daily life, wait for tableware like bowl of crock of radius sleeker, copper, copper, complement from which a few copper, but, inject of vein of clinical report bluestone treats this disease, have deadly reaction case, reason must take medicaments of a few coppery below doctor guidance, these will have certain and auxiliary effect to cure.