I used it to remove iron deposits from the car's body. The car was white and had a very intense problem, to the point where it felt like it had a yellowish tint. During washing and drying, I was afraid that I might scratch it with all the "contaminants" it had. Sponges and cloths were constantly getting stuck on the deposits. I was ready to take it to a detailer for clay and whatever else it needed. While searching for various products, I stumbled upon this one and decided to try it. Its effectiveness was simply shocking! As soon as I applied it, the entire car turned purple. I used about 70% of the bottle and it removed the majority of the deposits. In other words, it removed about 80% of them with just one pass. The car is a family car, approximately 4.5 meters long. Since it was my first time using it, I also tried it on the wheels, even when they were dirty, and I used a larger quantity. I believe that even with such a severe problem, it wouldn't require more than 60% of the bottle. In any case, I will use the remaining product specifically on the areas where there are still some contaminants. It truly made the car white again and showed a different bodywork.

At around €18 that I bought it for, I wouldn't call it cheap, but I think it's definitely worth its price and I will buy another one for future use at some point. Just be careful not to leave it on plastic or rubber for too long as it may discolor them. Lastly, I don't think it can be effective if used on a dirty bodywork. Many people in YouTube videos suggested this method to prevent it from slipping off the surface and being wasted, but for me, it worked much better on a clean surface, which I find logical because when there is a layer of mud or any other material on the surface you want to clean, the cleaner cannot penetrate it in the same way.