Specifically formulated to work with our Bio Laundry Detergents to tackle your dirtiest, smelliest laundry - all while being safe for you and the planet. When paired with our Bio Laundry Detergents, it becomes a powder and liquid duo that's optimized to make whites and colors vibrant and eliminate the toughest stains and odors. 4-in-1 advanced stain and odor remover. Designed to remove the toughest stains. Permastank and odor eliminator. Brightens for more vibrant whites and colors. Removes yellow stains like sweat and sebum.