Why do we feel pain in our eyes when we cut onions?

Syn-propanethial-S-oxide gets into the air and comes in contact with our eyes. The lachrymal glands become irritated and produces the tears! read more

Light a match before you peel or slice the onion. The sulfur disables the compounds in onions that make your eyes water. Use a small manual or electric food chopper or food processor. Wear kitchen goggles to protect your eyes. Remember not to touch your eyes when you chop onions. And make sure to wash your hands thoroughly after you're finished. read more

Onions produce the chemical irritant known as syn-propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears. read more

We discover why it happens, and what tricks you can follow so that this does not happen to you anymore. Crying, burning, and irritation in the eyes when cutting onions is very common and happens to every cook who boasts. read more