Xue Yu (Carbonized Human Hair) (Black, shiny chunks, surface with many small holes, light, brittle, spongy, honeycomb-like cross-section, smells like burnt hair when burned)

[Naming]

Xue Yu (Carbonized Human Hair)

[Source]

別錄 (Separate Records) – Luan Fa (Disordered Hair)

[Common Usage Level]

E

[Botanical Origin]

Human hair (Homo sapiens L.) from the Hominidae family, obtained after processing and carbonization.

[Characteristics]

Carbonized Xue Yu is present in irregular chunks of varying sizes. It is black and shiny in color, with numerous small pores on the surface, resembling a sponge. The texture is light and brittle, easily broken, with a honeycomb-like cross-section and a crisp sound when pieces are struck together. It has a burnt hair smell when burned. The taste is bitter.

[Identification]

Taiping Shenghui Fang: “The hair of children under ten years old is best.”
High quality Xue Yu is black, shiny, and lightweight.

[Section]

Vertebrate Category