Meguiar's Mirror Glaze M04 Heavy-Cut Cleaner is an aggressive abrasive paint cleaner that provides serious defect removal including heavy swirls, scratches, severe oxidation, alkaline and acid rain etching. Our special formula of diminishing abrasives turns into a gentle buffing rouge to minimize swirling while removing extra-tough paint defects. The buffered abrasive action lubricates the finish to prevent scouring. This professional cleaner leaves a silicone-free surface essential for proper painting in a body shop environment. Safe and effective on all glossy paint finishes including clear coats, and ideal for older lacquer and enamel paints. Formulated for use with a rotary buffer.