What’s in mouthwash and do you really need it?
Find out the truth behind mouthwash claims, what’s in the bottle, and how to use it properly. We demystify the ingredients with the help of a dental expert
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25 SEP 2020 25 SEP 2020 Do antimicrobial face coverings offer more protection against COVID-19?
We look into the science behind face masks with antimicrobial fabrics and coatings – and try some out – to find out if they’re worth buying
24 SEP 2020 Which? research reveals how little water dishwashers use compared to hand-washing
Which? expert testing has found that dishwashers on average are four times more water efficient than washing by hand. The most efficient uses 10 times less water, while the least efficient still cuts water use in half.