I agree hold heart idly with Robb ,I be live in the POR 15 products, I recommend brushing it on instead of spraying , also don't get any on your eye wear or anything else you want it to come off of .I did notice that in my belly pan ,break fluid took the por 15 up but I still recommend it . Paul Smith www.23window.com/thezone H.B.B T.C.B.