A dermatologist dishes on the dirty truth
It’s a disinfectant, cleaner and stain fighter — here’s how to use it safely
Ordinary soap and water or an alcohol-based sanitizer can do the job
The best way to prevent others from getting sick
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How cautious should you be about cleaning surfaces and accepting packages?
12 ways to use the versatile liquid
How to protect yourself
An ophthalmologist explains why winter should mean more hand-washing
Avoid bringing bacteria home
Find out the right way to use it — and which ones aren’t safe