I decided to evaluate this product today since I have wayyy too many washes to review and I had a few nice candidates. It was about 35* out when I did the washes and I don't think there was really any effect on the product testing.
I used my hose to hose down 3 different vehicles. The first vehicle, my teg, was detailed about a month ago and washed weekly since then with QEW and/or Poorboy's S+W. The surface was lightly soiled from the recent post snow storm salt fest on the roads. The second vehicle, my brother's GTP, was detailed back in June with UPP which was still present on the surface, but lacked any slickness. His car was moderately dirty from the same storm. The last vehicle, my mom's new Silverado, was waxed by the dealer (dealer prep, but no buffing thank god) 2 weeks ago. This one was EXTREMELY soiled.
Anyways, I hosed down, then filled my 2 gallon buckets up. The first bucket contained 2 gals warm water mixed with 1 oz. (as directed) of PB SS&S. The second bucket was 2 gals of warm water. I used 2 genuine sheep skin mitts that were cleaned with a MF wash (soaked in and rinsed). Prior to this, they were used for only 5 washes. The mitts were in "like new" shape.
I did a standard 2 bucket wash, flipping the mitt for each 4-6 strokes per panel, rinsing out, then repeating. The feel was VERY slick on all surfaces. On the 2 recently detailed vehicles, it felt like the mitt was floating over the surface, even with a large amount of soil on the surface. Even the GTP which was detailed 6 months ago, was a piece of cake to wash. I used only the pressure of the mitt weight and only needed to double pass a couple of the lower panels on the Silverado.
The wash had very nice cleaning abilities, but didn't feel too strong. I evaluated this by how my hands felt afterwards. With harsher washes, I notice my hands dry out and get a touch chalky. I moisturize twice a day and this lets me know if the wash is pulling the oils out (kinda like stripping wax). It left no residues behind and allowed the surface to bead up showing the LSP's true properties. Once dried, the surface felt pretty slick on my teg and the silverado. It gave me the feeling of a relatively gentle wash, but effective. The sun was poking in and out all day and when it poked out I evaluated each surface. There were no added marrs in the paint...BIG PLUS!
Overall, I like the wash very much. I would place it ahead of Mother's Gold and
NXT Wash for effectiveness (slicker, rinse free of residue, cleans well but still feels gentle).
For value:
PB SS&S..........$15 for 32 oz............$0.47 per wash
NXT.................$7 for 64 oz..............$0.22 per wash
Mother's Gold.$4 for 64oz................$0.13 per wash
This is where it gets killed. At more than half the price for NXT and about 1/4 of the price for Mother's Gold, I will continue to use them for my customers vehicles that are washed prior to a full detail. For weekly washes, this wash is a definite possibility. I liked how absolutely easy it was to use and how it glided over the surface, ultimately leaving no residue and a continued slick surface.
Here are a couple pics of it's power:
Before
After
Comments/Questions?
Good review. Bad pricing. 
. Thorough and to the point.
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