Ask a Clean Person is back for another season answering your filthiest questions, this week focusing on the dreaded ring around the collar!  Welcoming Senior Style Editor at Esquire, Jonathan Evans, to the studio, the duo first explains the exact causes the dreaded stain, the various scrubbable ways to prevent the phenomenon, as well as Jolie's favorite ways to triage the problem from home pre-treatment to tackling the stubborn, settled ring.

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"If you are a person who falls on either extreme of oily skin, dry skin, you are much more likely to suffer from ring around the collar." [10:15]

"The one thing you don't want to use for ring around the collar is [chlorinated] bleach." [29:00]

--Jolie Kerr on Ask a Clean Person