Stainless steel soap
From Infogalactic: the planetary knowledge core
Stainless steel soap is a piece of stainless steel, in the form of a soap bar or other hand-held shape. Its purported purpose is to neutralize or reduce strong odors such as those from handling garlic, onion, durian, guava, salami, fish, or the residue from colorectal surgery.
Scientific evidence of its efficacy appears lacking.[1][2]
See also
References
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