My 4 favourite interior car detailing products. 1, microfibre towels great for cleaning pretty much everything inside the car. 2, Xpress interior cleaner. anall-purposee cleaner that is safe to use on all surfaces inside the car. it's great for breaking down dirt and grime and is residue free. 3, Boar hair detailing brush. you can use this brush to agitate dirt and grime and also get into tight areas. its natural bristles are soft and safe to use on most surfaces. 4, Steamer. I use the McCulloug