I've heard more than one detailer tell me that it does. What do you guys think? I've used it a lot on my cars, and yes, I did get some cracks. I'm just not sure that the two are related. It might be like the old saying that drinking milk as a kid will make you a bank robber when you grow up. Sure enough, when 99% of bank robbers were asked, they drank milk as a kid. Does anyone have any definitive evidence? Might it be because so much crap is made in China? Inquiring minds want to know.