How does toothpaste get rid of scratches?

Imagine toothpaste as a lighter, softer form of sandpaper. When you gently rub toothpaste onto a slick and smooth surface, it sticks together on any imperfections that exist and softly sands them away, wearing off the uneven surface structure and polishing the surface clean.

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Can toothpaste remove scratches from phone?

Most tests reveal that using toothpaste results in a squeaky clean but still scratched screen. … If you do decide to give this method a go, ensure that you use regular toothpaste and not the gel kind. Just apply the paste to the scratch with something soft like a cotton swab or cloth and rub it in.