Shell Shock Heavy Duty Soy-Based Hand Cleaner, Cinnamon, 1 Gal Bottle Heavy duty industrial hand cleaner utilizes the natural cleaning power of soy solvents and abrasive walnut shells to clean the toughest grime and grease. Removes stubborn soils such as grease, tar, resins, paints, adhesives, carbon, asphalt and ink. Enriched with skin softening ingredients to keep hands from drying, Utilizes a soy-based solvent.