You’ve seen it: a smooth, oval lump of stainless steel sitting in a dish near the sink. It looks like soap—but cold, hard, and metallic. And if you’ve ever chopped garlic, onions, or fish, you know why it’s there: it banishes stubborn food odors from your hands like magic.
But is it actually magic? Let’s explore the science—and whether it really works.
How It Works: The Chemistry of Odor Removal
The offensive smells from garlic, onions, and fish come from sulfur compounds:
Allicin (garlic)
Thiosulfinates (onions)
That Metal “Soap” by the Sink — The Science Behind Stainless Steel’s Odor-Removing Magic
