Originally Posted by joshs09slvrZ

The 105 and 205 are strictly a polish, so you will need to wax afterward to protect the clearcoat. There are some OK products that you can get OTC, but there are much better products that you can get offline for about the same price. You have waxes and sealants. Sealants are typically synthetic and last longer than your typical carnauba wax. It just depends what you want to choose. My car is garage kept and I park in a garage at work so I don't mind using a wax...but sometimes I'll throw on a sealant instead just to change it up.