No scientific proof at all but it feels like washing powder does a much better job at removing stains than washing liquid.
It also seems more and more difficult to find washing powder in store as manufacturers are moving to liquid and even more a rip off - pods. Don’t get me started on these money spinners.
What is your experience and what works best?
That guy is full of BS. There is a noticeable difference in dishwashing tablets as well. I tested cheap tablets after seeing his video and it left massive stripes.
He’s one of those cargo cult scientists trying to make you believe he’s smart while he’s not