ARM & HAMMER Super Washing Soda Household Cleaner and Laundry Booster delivers super-clean results way beyond the laundry room. This versatile washing soda is 100% fragrance-free and phosphate-free to neutralize and eliminate odors naturally without the use of heavy fragrances. As a natural detergent booster and laundry additive, ARM & HAMMER Super Washing Soda improves liquid laundry detergent performance by up to 15% (1), giving you cleaner, whiter and brighter laundry. You can also use this washing soda to make your own homemade laundry soap. A great addition to your household cleaning supplies, this all purpose cleaner effectively cleans a wide variety of indoor and outdoor hard surfaces like tile, toilets, refrigerators, outdoor furniture and jewelry. Try using it as a kitchen cleaner, bathroom cleaner or silver polish to make your home shine. This natural laundry booster and household cleaner delivers an extra boost of clean from the brand you trust. ARM & HAMMER Super Washing Soda. Pure and natural since 1874. (1) For mustard and blood stains vs leading value detergent alone.