With any new product you try, there will be a learning curve. With some products, the learning curve will be short because the product meshes with the way you are accustomed to polishing and waxing your car. In general, it is difficult to see a significant finish improvement on white and silver cars (and tints of these colors), especially if the paint is in perfect or near-perfect condition. The reason clay made such a difference is because you were able to feel it, not see it. To see a difference with white and silver you have to address the one aspect of the color your eye can detect: gloss. To improve gloss, you don't need a better wax, you need a better polish. For hand polishing, I love the Einszett (1Z) polishes. They are very easy to apply, and you see the gloss improvements at every level. For protecting white and silver, I like to use a polish/wax combo, because without a glassy finish, you won't see a difference. So, the product I reach for most is Klasse All-In-One. The polish is very fine, and the acrylic sealant makes a finely polished surface look like a mirror.