Quoted from jorro:
O wow, can they just claim to be carnauba then?
Wel back to meguyars then!
Meguiars is still mostly solvent.
Use Blitz 1000 or P21S (silver can).
These are mostly Carnauba.
Pure Carnauba you have to melt in a pot and apply with a brush in extremely thin coats like a varnish. Its hard as a rock and it WONT buff off at all.
So ALL of the waxes have a little solvent in them to make it possible to actually put it on and wipe it off.
The gray area is HOW MUCH solvent vs wax or some blend of compounds.
Theoretically a clean volitile wax melting solvent will evaporate leaving the wax behind.
There is a lot of gamesmanship in selling wax. Carnauba is expensive, solvent is cheap, blended silicone's and beeswax are cheap.
If a manufacturer can sell you a big can of solvent mixed with a little wax, you think you got your moneys worth, but it lays down very little wax in the end.
One would think that you can just apply more of the cheaper wax, but the solvent in the wax prohibits building layers. It just removes the old wax and applies the same amount.
I just buy the stuff that has mostly wax and very little solvent like the ones I listed above.
Clean with VMP naphtha or lighter fluid (or even CP100 if you can stand the smell and like to ruin plastics) to remove old dirty wax.