DetailZeus- Others here are more knowledgeable about rinseless washes than I am and have far more experience with them, though I do use Garry Dean`s Infinite Use Detail Juice (and to a far lesser extent Optimum No Rinse). But you mentioned "flushing away the dirt", which is central to how I wash, so I thought I`d reply. See how the following compares to what others post.
IME you`d have to *really* saturate your wash medium with rinseless in order to get an effective flushing effect. And the pressure/force with which the rinseless would be applied to the dirt wouldn`t be sufficient to do much flushing even if your LSP (Last Step Product, i.e., wax) is one that readily releases dirt.
I can see it working OK *if* you used a lot of rinseless and were only cleaning light dust off a well-LSPed vehicle, but otherwise *IMO* you need some mechanical agitation to break the dirt-to-paint bond and, as you pointed out, the general way that rinseless washes work is by getting the dirt to transfer to (and be retained by) the wash medium.
Now if you want to discuss "flushing the dirt away" in the context of conventional washing (as opposed to rinseless), then I just might be the guy to ask
I employ a "dislodge and flush" approach and then often follow up with a rinseless, which functions primarily as a drying aid. I won`t say that what I do is the *best* way to wash, but I`m able to clean very dirty vehicles without causing an appreciable amount of wash-induced marring; I basically never have to polish my vehicles despite being very particular that they be marring-free.
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