In essence you are moving dirt around on your paint. To apply with a foam cannon, lance or handheld sprayer, add 100-150ml of Yum Wash, top the rest with water and spray all over the vehicle working from top to bottom.
YumCars - Yum Wash |500ml |Super-Slick pH Neutral Shampoo |Super slick |Thick
YumCars - Yum Wash Bundle 2.0 - 4 Pack Car Detailing Starter Kit
YumCars - Yum Rinse-Less |500ml |Rinse Free Wash System |Ultra Concentrated
YumCars - Yum Rinse-Less Concentrated Waterless Car Wash 500ml