A slight scratch. Most of these scratches are caused by trees, flowers and so on. Wash the car with car wax. Apply coarse wax in circles first, then fine wax, and apply it in the same direction from the inside out for a long time. Then wipe off the car wax with a clean cloth, and you can see that the small scratches will be disposed of. If so, there are two possibilities. First, you don't have enough polishing time, and the scratch is a little deep.

Deep scratch repair pen without removing primer.

Wash the car and dry it first. Shake the touch-up pen before use to mix the pigments evenly. In order to prevent the touch-up pen from being applied to other parts of the car body, it is best to stick both sides of the scratch with self-adhesive before touch-up. Time will be easy. When the touch-up pen is dry, it will be as bright as the original car paint and have fine wax. Another method is that although the painting effect is not good, it will not rust after spraying, so it is beautiful, convenient and practical to buy stickers or pull flowers to cover it

See scratch of primer. It is recommended to go to the factory for treatment, but there are also some ways to save rust inhibitor and self-painting, which will easily make the sheet metal rust. So the surface should be derusted first. After the car is washed and dried, rust remover should be applied to the scratches. After about a quarter of an hour, the rust remover should be wiped off the clean cloth and then applied. After the antirust agent is applied, wait a few minutes before spraying self-painting. Cover the logo with newspaper before painting to avoid painting elsewhere. Dry naturally after spraying, and then wax it with fine wax.