How does stainless steel remove the smell of garlic?

Raw garlic's distinctive and potent aroma is attributed to the sulfur compound allicin, which offers a variety of health benefits, including its role as a natural antibiotic. While allicin is beneficial for your health, it is also responsible for the lingering odor on your hands. Stainless steel can effectively neutralize the scent left by garlic's sulfur molecules on your fingers. This is likely due to the chromium present in stainless steel, which creates a layer of chromium oxide that attracts allicin. As a result, the strong-smelling compound adheres to the stainless steel instead of your fingers, leaving them odor-free.
You can follow Martha Stewart's advice and use any stainless steel utensils you already have in your kitchen to eliminate garlic odor. Alternatively, you can purchase stainless steel soap specifically designed for this purpose. Some stainless steel soap bars available on the market are also said to eliminate persistent fish and onion odors, in addition to garlic. Whether you choose to buy metal soap or use items from your knife block, stainless steel is the solution for garlicky fingers.
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