Why are you asking, OP? Do you think you're doing it wrong? It's up to you, it's your punt, but much depends on what kind of punting it is (street, brothel, indie escort, BDSM, massage, long booking, quickie...) and whether you shower or not.
I usually shower, but once a reg jumped on me after walking through the door. Snog, grope, blowie.... balls deep in her ass within mins with my boxers and jeans down over my boots.