Can Toothpaste Damage Car Glass?

[OMadison]

Toothpaste can damage car glass. There are many online "guides" claiming that using toothpaste to clean glass has miraculous effects, but in reality, using toothpaste on glass not only fails to deliver these effects but can also harm the glass. Toothpaste is typically composed of various abrasive substances, such as dicalcium phosphate, calcium carbonate, silicon dioxide, calcium pyrophosphate, aluminum hydroxide, and others. The nature of these substances means that toothpaste has a scrubbing function. If you use toothpaste to clean glass, under streetlights, you can see dense, fine scratches. Besides car glass, it's also advisable to avoid using toothpaste on interior screens. Many vehicle screens have an anti-glare film applied, and the abrasive particles in toothpaste can similarly scratch the screen.