SP1 Surface Prep is a specially designed silicone, wax, grease and oil remover used to prep any surface that a wax, sealant, or coating is going to be applied. SP1 is unique in that it allows for scratch and mar free use even on the most delicate surfaces. SP1 has enough lubrication to use as a clay lubricant, and or final wipe down after compounding and polishing to ensure mar free results.