Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by origin]
6. biological material
7. animal material
8. keratinous material
9. [hair and hair components as materials]
10. hair (material)
11. [hair by composition or origin]

Anotations

Scope note:

Any hair of humans (Homo sapiens), particularly the hair grown from the scalp of humans. Human hair is a cylindrical tube composed mostly of keratin. The shaft is covered with thin, flat scales and the central core often contains pigments of red, black, or brown. Commercially, human hair has often been used for wigmaking and brushmaking.