ARM & HAMMER® Super Washing Soda Detergent Booster. For more than 155 years, people have chosen all natural, versatile, effective, environmentally safe and economical ARM & HAMMER Baking Soda for baking and countless household cleaning & personal care uses. Now Introducing... ARM & HAMMER Super Washing Soda Detergent Booster. Super Washing Soda works as an all natural detergent booster for cleaning your laundry and can also be used throughout your home as a household cleaner.