Try nail polish remover
try paint thinner and an old cloth
Explain "remover spray paint " - never heard of that !
To remove a scratch on a plastic car bumper sand it lightly. If the scratch did not come out, fill it with filler. Next clean the area. Block off the parts of the bumper that you do not want to get paint on. Spray primer over the area and then finish with spray paint in the correct color.
Try using polish remover or goo b gone. Another good idea would be to use vinigar.
Yes you can. Use the appropriate paint or it will chip off.
WD-40 works
Yes, you should sand your helmet if it is metal or fiberglass with around 220 grit sandpaper. Clean the dust off with water and a rag. Let dry. Then spray paint it, in 3 coats. Don't overspray it, because then the paint will run and sag.
you dont
Rub it with a rag dipped in Goof Off. -It will NOT harm the car paint.
Wash the bug spray off with hot water first.
put some bleach in a spray bottle and spray the area it will come right off.
my mother had that happen to her and someGuy told her to use regular white tooth paste rub it on the area and then wipe it off ...it worked WORKED it was red paint too...