Author: Lou

You grab the brown bottle of hydrogen peroxide from the medicine cabinet, pour a little into a sink or onto a stain, and… nothing. No fizz, no bubbles, just a quiet, unsatisfying trickle. Does hydrogen peroxide go bad? The short...

You reach under the bathroom sink for the rubbing alcohol to disinfect a thermometer or wipe down your phone screen, and the bottle’s been there for years. There’s a faded expiration date on the label, or maybe no date at all....

You’ve got a can of WD-40 sitting in the garage that’s older than your car’s last oil change. Maybe the nozzle is a little crusty. Maybe it sprayed fine last time but feels lighter than it should. Does WD-40 go bad? The short...

You find a half-used bottle of nail polish remover in the back of a drawer, and there’s no expiration date printed anywhere on the label. It still smells strong, but you’re not sure if it’ll work as well as it used to. Does nail...