Our car scratch repair pen contains UV curing agent, acrylic resin, palmitic acid. It forms a clear layer on the car’s surface, filling scratches while keeping the surface crack-free. Its use is very simple: first shake the pen thoroughly, press the pen tip down until water comes out, then apply it directly to the area that needs to be repaired, and wait for it to dry naturally. After use, it can perfectly repair car scratches. The repaired paint surface will not be affected by water and can make the repaired surface as smooth as new.