What’s Really Living in Your Pillowcase: A Microbiologist Reveals Why 30°C Washing Isn’t Enough
You’re washing your sheets at 30°C thinking you’re being eco-friendly, but microbiologists have found up to 12 million bacteria per square inch on pillowcases—17,000 times more than a toilet seat. Cold water doesn’t kill pathogens like Staphylococcus aureus and E. coli; it only removes them mechanically. Here’s what experts actually recommend.