Average Reviews:
(More customer reviews)This is an excellent product for those who know a thing or two about car scratches and what to expect. If you are hoping to remove a deep key scratch, then this product may not be for you. I have read several reviews that rated this product fairly poor. As somebody who has used Nu Finish Scratch Doctor many times, I believe that people who did not get good results either did not use this product correctly or tried to treat wrong kind of scratches with it. If you want to get ANY scratch removed completely, please see your favorite body shop. They will charge you a lot of money and they will definitely remove the scratches. However, if you want to save money and remove light (with emphasis on "light" scratches yourself), then Nu Finish is worth a try.
After putting my car through several Sierra Nevada and desert trails, I ended up with Arizona pinstripes all over the vehicle. Upon careful inspection, I concluded that the scratches were not deep enough and I used Nu Finish Scratch Doctor to remove 95% of them. It took several hours and of washing and prepping the car followed by several coats of the product. The results were marvelous! However, what worked for me may not work for you and here is why.
Let's take a clean un-waxed standard car. It will have the following layers:
1. Clear coat.
2. Paint.
3. Primer.
4. Body.
The scratch can be present in any of the layers shown above. Nu Finish will work only if the scratch is in the clear coat and if the scratch does not penetrate the clear coat layer too much (up to around 50-70% based on my experience). There are two ways to deal with scratches: Fill them in or smooth out the edges. Nu Finish Scratch Doctor takes the second approach. It is an abrasive-based product that will help you to sand down the scratch. What you have to do is to clean the car and then remove as much residue as possible by drying the car with a microfiber towel and possibly applying a clay bar cleaning system (search for Mother's Clay Bar). After all dirt and particles are gone, you have to apply a coat of Nu Finish and let it sit for some time. Then get a clean polishing cloth and rub it perpendicular to the scratch. You may have to repeat this process several times, but eventually it will either completely eliminate the scratch or make it almost invisible. The trick is to know what to expect. You should allocate enough time to complete the job because you have to be extremely careful about the application. Specifically, you will have to test this product in a safe place first and then after you are done you must apply a layer of wax in order to preserve the paint.
If the scratch is too deep, then your best bet is to see a detailing specialist. Run your nail perpendicular to the scratch. If it catches, Nu Finish will not help. As a matter of fact, no other hand applied product may work for you and what you need is a professional circular polisher and perhaps some wet sanding. If you are reading replies on Amazon, you are probably not a professional detailer and applying sand paper to clear coat may seem barbarian too you. That is why I strongly recommend anybody who have any doubts to do more research online, join an appropriate forum or see a body shop if products like Nu Finish or 3M Glaze do not help. These items are really good as long as you know what you are treating. Too many people buy scratch removers to treat deep scratches that go through clear coat, paint and touch metal. Those are extreme cases and you should not expect a product that costs less than $10 to fix them.
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