This may seem like a stupid question but here goes. Just got the PB combo. I'll wash and dry the rims first then plan to use the PB + the Mother's polish. Does this polish work like wheel wax or is this simply a polish/shine product? Wheel wax works well in repelling brake dust but its a pia to use. I'm hoping the PB will make it easier but still would like the protection of a wax. Thanks