Why Clay Bar Lubricant Matters: Insights from Brilliatech Infinity Clay! how to use our clay bar Infinity Wax Clay Bar Lube, Synthetic Water Based Lubricant Car Clay Bars Auto Detailing and Clay Luber Synthetic Lubricant Kit, 4 Clay Bars, Clay bar Lubricant Tablets 10 Pack(1pc=16 fl oz), Spray Bottle and Microfiber Towel for Car Detailing Cleaning Amazon.com: Proje Throwback Clay Lube Ultra Slick Clay Bar Lubricant Reduces Friction Synthetic Water Based Formula for Clay Bar Clay Mitts Clay Towels and Clay Discs Decontamination Spray The only time I would recommend using soap as a Clay lubricant is if you are using the clay bar one time and not reusing it later. @jesseaqu