This floor soap protects while it cleans. It uses all natural ingredients and is biodegradable. Bioshield uses natural plant soaps to clean, plant fats to revive and plant resins to protect your wood floors. It is sold in concentrated form, which cuts down on packaging, and is available in two different sizes. With this floor cleaner, adding a layer of protection, cleaning away dirt and grime, and saving the planet are all in a day's work.