It's my understanding that simple swipe with a cloth that has baby powder (or other similar powder) is sufficient. There is also an airasol dry lubricant that will do the same thing.
I do mine twice a year with the can.
Ron
Ron & Sandie
2013 Tiffin Phaeton 42LH Cummins ISL 400hp
Toad: 2011 GMC Terrain SLT2
Tow Bar: Sterling AT
Toad Brakes: Unified by U.S. Gear
TPMS: Pressure Pro
Member of: GS, FMCA, Allegro
RETIRED!! How sweet it is....