*chickselog: I think i got my Red Carpet Tire Cream from BB for 175 bucks, and one plastic container already goes a long way since you use this sparingly i doubt its imported but as far as i know only BB sells this stuff, I got my Mothers Tire Shines from the US when i had a balikbayan box filled up with detailing materials and there's i think 3 kinds of Tire Shine from Mothers, but basically they're all the same for me. I think i saw a FX Tire Shine for 500+ bucks at SNR last time i was there.

As for the Simple Green you could search their website for the different dilution ratio's but for your problem i would suggest you try a 1 part solution 4 part water concentration to try it on your wiper, as for cleaning the interior you could go up to 1:10 and its still quite strong. i personnally use 3 different kinds of dilutions, 1:4 for those tough stains, 1:10 for interior carpet and other high use areas, 1:15 for plastics and vinyl and other easier to clean items.