Do-it-yourself small rust spots
If the rust is not severe, you can first use a very fine water sandpaper dipped in water to lightly remove the rust spots, but do not use them without direction Random grinding, grinding in the same direction. Once it’s completely wiped off, apply a coat of primer. For new scratches, apply primer directly after wiping. Later, if the vehicle comes with a small can of OEM paint, you can wait for the primer to dry, sand it down with water, and apply the OEM paint on top of the primer. If you don’t have the original paint, you can buy a touch-up pen and use a touch-up pen for coloring. Although this treatment is not as effective as going to a beauty shop, if it is a small or inconspicuous scar, it can also prevent the rust from expanding and aggravating.
Toothpaste can temporarily prevent rust
Use regular toothpaste . When you find new small scars, dab the toothpaste in circles and apply to the scratches. Don’t forget to reapply after it rains or washes your car. This generally reduces scratch marks, or simply acts as a barrier to prevent rusting, which is fine in the short term. Especially the white car paint, the effect is the most obvious.