Trapped in Hal's body for an indeterminate period of time, Sinestro decides to make the most of it by growing a DRAMA MUSTACHE on Hal's pasty Earthman face.
"Eek! Green Lantern is trying to grow a porn 'stache! Run, RUN!"
(Hal's always been smart to leave the facial-hair-growing to Ollie. I think the only time readers have seen Hal grow any sort of facial hair is when he's gone a few days without shaving.)