
Automotive scratch repair fluid works similarly to toothpaste and is quite effective for minor scratches on the car's paint surface. However, if the scratches are deep, the scratch repair fluid will have little to no effect, and timely repair is necessary. Definition of Automotive Repair: Automotive repair is a general term for vehicle maintenance and repair. It involves troubleshooting faulty vehicles through technical means, identifying the cause of the issue, and taking measures to eliminate the fault and restore the vehicle to certain performance and safety standards. Categories of Automotive Repair: Automotive repair includes major repairs and minor repairs. Major repairs refer to restorative repairs that involve repairing or replacing any vehicle components (including fundamental parts) to restore the vehicle's proper technical condition and fully (or nearly fully) recover its lifespan. Minor repairs refer to operational repairs that involve replacing or repairing individual parts to ensure or restore the vehicle's operational capability.

I've encountered minor scratches on my car before and used scratch repair fluid, which I found quite effective for light surface scratches. For example, after washing the car, if I noticed fingernail-deep marks on the door, applying the repair fluid and wiping it with a cloth would fill in those fine lines, making the paint look much smoother. However, for deeper scratches, like those exposing the primer, it doesn't work well and can sometimes make the problem more noticeable. I've tried several brands and found significant differences in effectiveness—cheap ones are only a temporary fix, lasting a month or two before the scratches reappear; mid-range products offer better durability but require multiple applications to show results. Overall, this stuff is convenient and economical, much easier and cheaper than rushing to a repair shop, making it suitable for minor daily issues. But for larger scratches or a permanent solution, I'd recommend professional repair to avoid wasted effort. Always read the instructions carefully before use to prevent smearing the paint.

As a long-time car enthusiast, I have considerable experience with scratch repair fluids. They work effectively on shallow scratches, such as those fine hairline marks visible under sunlight, by simply applying and wiping to restore the car's glossy finish. The reason lies in the fillers and polishing agents contained in the fluid, which fill in the imperfections and smooth the surface, delivering immediate visual results. However, for deep scratches like those exposing the primer due to collisions, it's powerless, and a repaint is necessary. I recommend choosing reputable brands for use, with straightforward steps: first clean the car body, apply the fluid evenly and let it air dry, then polish in circular motions with a soft cloth. It's important to note that the effect isn't permanent; it diminishes after frequent car washes or prolonged sun exposure, possibly requiring reapplication every six months. Compared to professional services, scratch repair fluids are much cheaper, costing just a few tens of yuan, and can avoid major repairs. But if the scratches are numerous and deep, it's better to visit a 4S shop sooner rather than later for peace of mind. Don't cut corners by using subpar products; low-quality ones can corrode the paint, doing more harm than good.

I just bought my new car two months ago when it got scratched by a roadside stone, and it broke my heart at the time. I bought a scratch repair liquid and tried it. It works quite well for minor scratches—just apply it, wait a few minutes, wipe it off, and the scratch fades almost invisibly. The way it works is by the liquid penetrating into the scratch, filling the gap, and then hardening to fix it, making the reflected light more even. However, for deeper scratches, like those that reach the metal, it's useless and just a waste of money. From my experience, the advantage is that it's easy to use and doesn’t take much time—just a few minutes at home, costing only a few dozen bucks. But the effect isn’t long-lasting; after a few car washes, the scratch might show again. So, I recommend it only for minor new-car scratches or as a temporary rust prevention measure. For larger scratches, it’s better to go to a repair shop for a paint job to fix it properly once and for all.

To minimize paint damage, choosing a safe parking spot is crucial, but who hasn't encountered accidental scratches? I've used scratch repair fluid several times for minor issues—it's genuinely effective for surface-level marks, quickly concealing them and preventing further oxidation or rust. It works best for light damage that only affects the clear coat: apply the fluid, let it cure slightly, then polish to restore the original appearance. However, deep scratches that expose the primer are beyond repair with this fluid and may even leave blurry traces. Always wash the car thoroughly before use, work in a dust-free environment, and wear gloves to avoid skin contact. The results last about six months but should be combined with regular maintenance like waxing to extend protection. I recommend pairing it with paint protection film to prevent new damage. Scratch repair fluid is a cost-effective temporary solution, saving hundreds on professional fees, but don't expect miracles!


