shaving brushes

Shaving brushes are brushes used to apply lather to the face before shaving with a razor.

The bristles—traditionally badger hair, boar hair, or synthetic fibers—hold water and work soap into foam while lifting facial hair for a closer shave.

Once standard grooming equipment, they declined with canned shaving cream but persist among wet-shaving enthusiasts: He swirled the shaving brush in his mug.