Low-sudsing formula infused with Arm & Hammer? baking soda is strong enough to power through the toughest dirt and odors. Special dirt-trapping agents ensure a clean rinse, preventing soils from redepositing on clothing. Works in both standard and High Efficiency machines. Perfume- and dye-free. Application: Laundry Soap; Applicable Material: Fabric; Dirt Types: Food Stains; Grass Stains; Grease; Oil-Based Soil; Organic Matter; Water-Based Soil; Scent: Unscented.