Kosher Product. Peroxy Protein Remover, Cleaner & Whitener is a hydrogen peroxide based cleaner designed to remove proteins and whiten protein stains from all types of food preparation surfaces. The product is water thin, bluish-green in color, and formulated specifically for food handling, food processing, and food service operations. This product can be used as a general purpose cleaner to remove animal fat, grease, blood, vegetable oils, food residues and other tough soils. Powerful oxidizing properties in Peroxy Protein Remover, Cleaner & Whitener react with various sulfur and ammonia containing compounds, breaking them down and neutralizing unpleasant odors. Little or no time is spent scrubbing or brushing to remove dried blood or imbedded bloodstains.Use Peroxy Protein Remover, Cleaner & Whitener on floor, wall, or counter grouting.