Over the last couple of years I have been using Autoglym with good results its the top one used in the UK , the glass cleaner is very good as well its a polish like substance and doesnt seem to leave smears like a lot of other glass cleaners, also the Gold Class polish by Meguiars I can recommend. Remember when I was younger I used to use a Turtle wax product called Excalibur its was great then finished it off with a bit of cornflour. I am curious to try Bowdens line of car cleaning products? anyone out there use their products?