Stjarnagloss Snö - Snow Foam Pre-Cleaner 5 LitresThick pre cleaner, great for regular washes on protected cars. This dense pH neutral snow foam has a great dwell time for maximum cleaning performance on lightly soiled cars, but it is mild enough to leave existing coatings unaffected. Apply it via a professional snow foam cannon with a pressure washer capable of 130bar or more for best results. Cover your car from the bottom upwards to increase the dwell time of the product on those dirty lower