Washing soda features either as an ingredient in some cleaning products or as a standalone cleaning agent. It can be made by putting baking soda in an oven and is often used in homemade detergent recipes, and is sometimes used as a laundry booster or water softener. It’s an alkaline substance that can be used for general household cleaning, and even for the laundry. Read on to learn all about washing soda, what it is and how it’s made, how you can use it, and whether it’s really the best solution for your laundry.