I always thought the polymers in ONR are rather temporary and the original look of the LSP will be restored after a day or two on it's own.
That restoration process would be quite welcome...
Is it possible, or not? Let's explore:
•What are ONR-(W&S) and ONR-(W&W) product descriptions?
Here's ONR-W&S. (For ONR-W&W...substitute "sleek & glossy finish" with: "adding great gloss and protection").
"This unique product contains substantive polymers which bond to the paint and protect it during the wash. Therefore, No Rinse™ Wash & Shine offers greater protection and lubricity than conventional car washes leaving a sleek & glossy finish behind afterwards. The waste water in the bucket can be used to water the lawn or disposed of into a sink, where it will be treated!"
"No Rinse™ Wash & Shine does not require rinsing since there are no soapy surfactants to wash off into the storm drains."
Breaking this product description down...
•
ONRs' substantive polymers bond to the paint and protect it during the wash.
-What if the paint already has an LSP? Will ONR's polymers bond to LSPs---
during the wash?
-What happens to ONR's polymers after the wash has been completed (the "temporary-ousness" you mention?)
•
leaving a sleek & glossy finish behind afterwards/adding great gloss and protection
-Acts as a
"topper"? {

LOL}
-Messes with the LSP?
•
there are no soapy surfactants
-Yes...Polymers can be made to be/act as surfactants.
Degradation of Polymers:
•Even though both ONRs have
substantive polymers...they are polymers...and will degrade---over time---and by a process known as: abiotic hydrolysis:
Abiotic = not living
Hydrolysis = decomposition by reacting with water
-This means: Water starts breaking down larger polymers into smaller water-soluble monomers. The beauty/uniqueness of this hydraulic breaking down (degrading) processes of polymers is that all it takes is for them to be in presence of common, everyday soil minerals.
•If an LSP also has polymers:
-They will also degrade in the same fashion.
-Will the action of applying a product...noted to be "rinse less" (not without water though)...actually kick-start the polymer degradation of a "soiled LSP"? (Your "harming" concern?)
-OR:
Will the "rinseless' polymers"
replace the LSPs' polymers until they, too, degrade to nothingness?
•Another aspect of "car-care polymers":
-Many, many, many are of the silicone-persuasion.
-Silicone polymers are made from Quartz (sand)
-When polymers have degraded, they return to being soil-silicates.
-Thus the cycle is completed:
Ashes to ashes...Dust to dust!
•I'll close with this "rinseless" question:
"No Harm, No Foul"?
Bob