I usually don't like gloss enhancing shampoos due to the fact that they leave spots and don't always rinse freely. But this shampoo really impressed me. Nice amount of suds and really did enhance the gloss of the paint.

Got this as a free gift for a large order placed. I would say it definitely did the trick for keeping the wax on. I P21S 100% Carnauba and that will last 3-5 months. I usually wash the car once a week so for me it does as advertised. Going to order some more right now haha!