There is no research that states such. Most online articles are referencing a study done on professional dishwashers, in which they complete their task within 2 minutes and some rinse aid was still found on the dishes.
Home dishwashers, the ones that take 4 hours on average, are not going to result in the same thing. Claiming such would be like claiming you won't use dish soap since technically it can still be left on your dishes when quickly washed.
Home dishwashers, the ones that take 4 hours on average, are not going to result in the same thing. Claiming such would be like claiming you won't use dish soap since technically it can still be left on your dishes when quickly washed.