According to Consumer NZ, at least three products proved no better than washing in water, while a selection of Persil ...

Consumer NZ's recent testing reveals that some popular laundry detergents perform no better than plain water, leaving ...

So liquid dishwasher detergent is either enzymatic or bleach-based—and these simpler formulas do not pack the same punch as those of pods, powders, and tabs that contain both enzymes and bleach.