Does Laundry Detergent Expire? | The Great American Laundromat
Mar 24, 2020·Powdered formula laundry detergents never lose their effectiveness unless you expose them to moisture. If you notice clumps while opening the detergent packaging, then rub it through a sieve and transfer to a new container. The powder does not dissolve completely in the washer and leaves behind soapy deposits on your clothing.