Maybe it's the cause of our "bad teeth".
(I heard the rumour too. But no-one I know fails to rinse the "washing up liquid" (as we call it) off their plates)
Sadly it's true. I've seen people just put the dishes in the dish rack and let the soap bubbles slide off them.
Sadly it's true. I've seen people just put the dishes in the dish rack and let the soap bubbles slide off them.