Rinse aid is made of a complex blend of surfactants, salts, and acids, each performing a slightly different task to make your dishes come out of the dishwasher clean, dry, and spot-free.

James Fleming, appliance expert with home care and maintenance service Frontdoor Related: This 4-Ingredient Homemade Dishwasher Detergent Will Make Every Load Sparkle Rinse aid is a drying agent ...