This Is the Worst Thing You Can Do to Your Dishwasher, According to Plumbers

Using dish soap in a dishwasher is not advisable as it creates excessive suds that can overflow and damage the appliance. Experts emphasize that dish soap and dishwasher detergent serve different purposes; the latter is engineered to be low-sudsing, alkaline, and includes specific enzymes to effectively remove tough food residues. In contrast, dish soap lacks these enzymes and is formulated for manual dishwashing, leading to a soapy mess if used in a dishwasher setting.

Dish soap creates excess suds, which can overflow, causing a soapy mess and potentially damage your dishwasher.

The difference is huge, and it's all about chemistry. Dishwasher detergents are low-sudsing and alkaline, designed to cut through grease with precision.

Read at Apartment Therapy