I put Four Star Ultimate Paint Protection on my wheels. Nothing is going to keep brake dust from getting on them, but I find that putting on a good paint sealant helps make them easier to clean. I've used Detailer's Pride Wheel Glaze, and after testing it side by side with a paint sealant I didn't find enough of a difference to warrant continuing to buy the product. I wasn't able to test durability, but the paint sealant tends to last a couple months before I need to reapply it. That works for me.