Tide, 42 OZ, 30 Use, Original Scent Powder Detergent, Offered In A Concentrated Formula With Outstanding Performance At 1/3 Less Per Dose, Allows The Same Number Of Loads In A Detergent Carton That Is Smaller, Which Is Both Convenient & A Right Step For The Environment, Contains Surfactants Molecules Which Have 2 Parts, Water Loving & Water Hating, Water Loving, Hydrophilic, Part Breaks The Surface Tension Of Water, Water Hating, Hydrophobic, Part Is Attracted To Oil & Grease In Soils, Loosening & Removing Them From Fabrics.