yea toothpaste works, you can polish anything with that. Some old paint guy told me about it being a trick they use. Any kind of toothpaste will work since it's meant as a very unabrasive polish on teeth. Polishing something doesn't work like a wax where it just covers/fills the scratches. It actually sands them away so the shine should still be there after washing your car. You should still google it up.
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