Shell Shock is a heavy duty industrial hand cleaner that utilizes the natural cleaning power of soy solvents and abrasive walnut shells to clean the toughtst grime and grease. Its is enriched with skin softening ingredients to keep the hands from drying, and will leave hands soft. Shell Shock is an environmentally-conscious choice which uses the renewable resources of soy-based solvents and walnut shells. Zep Shell Shock is a member of the Zep GreenLink line of Environmentally Preferred Products (EPP).