A thick build up of dust that refuses to come off even with lots of cleaning.
Although not completely permanent (as the name suggests) the dust is made of very resilient particles that can transfer into the pores if rubbed hard enough with bare skin.
Although not completely permanent (as the name suggests) the dust is made of very resilient particles that can transfer into the pores if rubbed hard enough with bare skin.
by Cleanfreak December 3, 2007