Originally Posted by Mike-in-Orange

Never, ever, EVER dry wipe the car with a towel. The Cali duster is OK with a light touch because it will pick up the light dust, but a dry wipe with any cloth will tend to just push the dust/dirt around. A t-shirt is not a good idea either because it has no nap and therefore noplace for the dust/dirt to go but pulled against the paint. Microfiber is the absolute best choice, and use a few to wipe the car down. Always use a good quick detail spray to add that lubricity and lift the dust/dirt into the microfiber towel. A light touch is always preferable to a heavy touch, and never "scrub" the paint.