name the ones u got that Actually WORK please thanks..

I was reading upon Novus plastic scratch polisher and it says it can removes scratches. I was wondering if this will work on out headlights and if it would get rid of rock pebbles on the headlight. One last thing, our headlight is made out of plastic rite?

i just found a bunch of scratches on my bumper. i have NO IDEA how they got there, but it's pretty noticeable if you look for it. Do scratch removers actually work? If so, which is a good one to buy, or should i just buy touch up paint?