It's basically soap. They use that substance to allow the tires to slide onto the wheels without damaging anything. It'll wash off with a little scrubbing, or wear off in time.
The mark on the lip could be a scuff. I would take a little polishing compound to it and see if it comes out easily.
The mark on the lip could be a scuff. I would take a little polishing compound to it and see if it comes out easily.