Koch-Chemie Gentle Snow Foam is a pH-neutral pre-wash foam designed to safely loosen dirt and road grime before contact washing. Its thick, clinging foam lifts contamination from paint and coated surfaces while preserving waxes, sealants, and ceramic coatings for a safer, scratch-reducing wash process. Key Features:pH-neutral foam gently lifts dirt while maintaining existing protection, producing dense foam that improves wash safety and efficiency. How to Use:Dilute as directed, apply with a foam cannon or sprayer, allow to dwell briefly, then rinse thoroughly before washing.