"It can cure scabies when bathed in it, but it can also cure edema". "The scabies can be cured after bathing" comes from "The Classic of Mountains and Seas·Zhushan". "The Classic of Mountains and Seas" is an ancient book from the pre-Qin period. The handed down version totals 18 volumes, including 5 volumes of "The Classic of Mountains" and 13 volumes of "The Classic of Seas."
Original text of "Zhushan"
Fifty-two miles to the west is called Zhushan, with many trees on it and many iron shades. There is Cao Yan, its name is Huang Jue, its shape is like acanthus, its leaves are like hemp, white and red, its shape is like ocher, it can be scabies after bathing, and it can also be scabies. The bamboo water comes out of Yan, and the northern flow flows into Wei. Its sun has many bamboo arrows and many green jade. Danshui comes out of Yan and flows into Luoshui in the southeast. There are many jade and fish in it. There is a beast, which looks like a dolphin and has white hair as big as a hairpin with black ends. It is called a pig.
Translation
The place fifty-two miles further west is called Zhushan. There are many trees growing on the mountains. The shady northern slope of the mountain is rich in iron. There is a kind of grass growing on the mountain called Huangyan. Its shape is like an altissima tree, its leaves are like hemp leaves, it has white flowers and red fruits, and the fruits are shaped like ocher. Bathing with it can cure scabies and treat edema. The Bamboo River originates from this mountain and flows northward into the Wei River.
Dense arrow bamboos also grow on the sunny southern slope of the mountain, with many beryls. Danshui originates from this mountain, flows southeast and flows into Luoshui. There are many jade and mermaids in the water. There is a beast growing in the mountains. It looks like a pig, but has white hair, like the hairpins worn by ancient women, with a black top. This beast is called a porcupine.