I never use wax, but I love liquid glass coating and would recommend it all day long.
Old school Classic option LG100 (USA) for those who on the budged.
or kined of new product
Kamikaze (Japan) for those who takes it to the next level.
I'm adding new layer of Liquid Glass coating every few months. Looks grate and ads superior protection. Forget about scratches after 6-12 layers.
For professional car care solutions and tips google Esoteric Car Care