zheng gu jing can this be used as a substitute for dit da jow9for hand training]? also if it says it is bad for the kidney and you use it externally,can it still somehow effect the kidney?
zheng gu jing can this be used as a substitute for dit da jow9for hand training]? also if it says it is bad for the kidney and you use it externally,can it still somehow effect the kidney?
I’m not sure what Zheng Gu Jing is
Might you mean Zheng Gu Shui?