 dishwash soap and that can strip off not the the finish right away but over time it can do that but if you're using you know the proper uh soap when you do wash your car it it will help but keep in mind too that these finishes believe it or not because of chemistry they work really great so it's it's you know you pay a little bit of money to have it done but for people that don't garage their vehicles it's well worth the investment to have this performed