It's not that it's not good, it's that it's a wax! Probably comes out of a can, goes on like wax, off like wax. You have to "renew" it every 6 months (i.e. re"wax"). If you use scratch remover, tar remover, etc you have to "renew." So, is is good? Dunno. Is it an expensive wax job? YES!