«نَظِيفَ الظَّرْفِ، أَرِيجَ الْعَرْفِ، نَاعِمَ السَّحْقِ»
Its container should be clean, its scent fragrant, and its powder finely ground.
Ẓarf is a vessel, ʿarf scent, and saḥq grinding or fineness of powder. The succession of criteria is both excessive and musical: container, smell, and texture are described in an intentionally polished rhythm. Ẓarf/ʿarf produces a striking sound pairing.