I have Simple Green, I have degreaser, I have soap and water. I even have denatured alcohol.
Think I'll start off gentle and work my way up to the hard stuff if I need to. Sure looks nice now though. I may leave it a while.
Be careful what you put on the plastic to clean it off. It may stain or fade even quicker depending what kind of chemical you put on it....
I hate to see another thread with "WTF happened to my inners"...