Take my word for it when it comes to looking after your car. I am a Funeral Director so as you can imagine we have very expensive cars so we must look after them. Use a 2 bucket method and buy grit guards. One bucket is soapy the other is clean water. dunk in the soapy water wash car and rinse in clean bucket. I use autoglym shampoo and conditioner. There is just a shampoo which is foamy but the shampoo and conditioner isnt very foamy. I will claybar the vehicle also, then i will apply super resin polish. The resin fills in any gaps giving a nice smooth shine. I then top it off with autoglym hd wax and then seal the car with autoglym sealant. I no this sounds crazy and i only do the whole lot every 3 months but the results are excellent. I always use a 2 bucket method when washing and start from the top and work my way down. You will be surprised what u find at the bottom of your grit guards. If i can be any further help ask away!!