How does stuff like this do in regards to swirl marks? I live in the desert so my cars stay pretty clean outside of light dust and brake dust. our townhouse doesn’t have a spot/spigot to do washes so I end up bringing the car and bucket to the diy wash place when it’s quiet. Always wanted to try a product like this for those inbetweens but have been nervous because wouldn’t wiping the wash product off cause light scratching?