I have a friend that once he sweats, he has a strong metallic body odor. It's not there after showering, but if he breaks a sweat, it's on. It doesn't have a "stink" but just metal. Having been a metal technologies person, I can best describe it as close to corroded aluminum. He wears no deodorant, or rarely does. What is a possible cause and a cure?
Everyone has their own 'musk' but there are a variety reasons for your friend's metallic smell. If he wears jewelry, a person's sweat can react with these metals, much in the same way as if you were to hold a penny in your hand for a while.
Also, if he has an open wound, that may give off a metallic smell (due to the iron in your blood).
Personal products that contain certain minerals may react with his sweat in a way that produces the smell as well.
Here is some more info on B.O.: http://www.healthcentral.com/skin-care/h/cause-of-body-odor.html
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