Best to use a sealant then wax
This stuff does the job nicely
Collinite 476s and Winter Carlack Selant Kit
Or
Collinite 915 & Carlack Kit
The 915 gives the better shine out of the two kits but either is very very good and the delivery is very quick also.
Look here for more proof
http://www.civinfo.com/forum/cleanin...collinite.html