JW,
Those both contain silicone oil, will discolor your tires over time and will sling. Try Turtle Wax formula 2001
tire gel. It's not that easy to find, but it's a much better product than the two you mention.....and yes, it leaves a nice glossy finish on your tires. It has silicone as well (trilicone), but it doesn't seem to discolor your tires as much and doesn't sling as long as you buff it properly.