I have to paint cleaner of Meguiars appointed me as I have already tested a parking among several trees habe.Habe several products from other manufacturers and worked with a Poliermaschiene, but the impurities have been nearly if not impossible to get away, but the paint cleaner of Meguiars I processed by hand and I must say I have 99% of the impurities from the paint safely bekommen.Werde me again buy this product.