How to Clean Your Makeup Brushes the Right Way
Dirty brushes collect makeup, oil, skin cells, and bacteria. Here is how often to wash each type, the right way to dry them, and how to cover the seams a was...
Industry Insights & Updates
Research, field notes, and practical guidance on UV-C, surface hygiene, and health technology.
Health-Threat & Science
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How to Clean Your Computer Keyboard and Mouse the Right Way
Your keyboard and mouse collect skin cells, food crumbs, and bacteria every day. Here is the right order to clean them, the spots most people miss, and how t...
How to Clean Your Reusable Water Bottle the Right Way
Your bottle looks clean, but the mouthpiece and lid threads stay damp against your mouth all day. Here is what collects there and how to clean each part with...
How to Clean Your Smartwatch and Fitness Tracker Band the Right Way
Your fitness band sits against your skin all day, through sweat, sunscreen, and hand washing. Here is what actually collects on it and how to clean each band...
How to Clean Your Kitchen Sponge, Dish Towel, and Cutting Board the Right Way
About one in six Americans gets a foodborne illness each year, and the kitchen is where it often starts. A used sponge, a damp dish towel, and a grooved cutt...
Why You Touch Your Face 23 Times an Hour, and the Surface in Between
A landmark study found people touch their faces 23 times an hour. Here is what that automatic habit means, and why the object you handle most often sits righ...
How to Clean Your Glasses the Right Way: Lenses, Frames, and the Spots You Miss
You wipe the lenses every day, but a study of worn eyeglasses found all 21 pairs carried bacteria, with the heaviest loads on the nose pads and ear pieces. H...
How to Clean Your Earbuds: The Right Way to Handle Wax, Sweat, and Bacteria
Earbuds sit inside one of the warmest, most humid parts of your body all day. Here is what that does to the surface you put in your ear, and the right way to...
Does UV light kill MRSA? Yes, and it does so at a lower dose than most people assume
UV-C at 254 nm inactivates methicillin-resistant Staphylococcus aureus on direct-contact surfaces at roughly 6.5 mJ/cm² for a 3-log reduction, which is a few...
