When asking whether you can polish Paint protection film, you first need to realize that there are many different brands of Paint protection film on the market with different performance profiles. Some would respond better than others to buffing. Additionally, there are different degrees of buffing, so a gentle approach may be fine on many clear bras while an aggressive polishing would not. So, when thinking about buffing a clear bra, you should study manufacturer recommendations. Self-healing Paint protection thing, a hot market trend right now, is designed to be restored to the right type of finish with the proper type of buffing, but this type of restoration is best done by a Paint protection professional certified in working with that specific clear bra brand. Above all, if you're going to try buffing your clear bra, test it on a small, unobtrusive section of your Vehicle Paint protection film to see how the clear bra responds!