We use Aero Cosmetics Wash wax all, It is easy to use. We do not use it without using clean water to wipe the dirt & dust or other grim first. Have many other products to. It is the best we have used of this type of Product.
You can get it with them or Amazon or other sites. It is worth the money if you use the product right.
This is used on airplanes, boats and much more