We're On It. One customer service rep who worked for Comcast from 2005 to 2014 at a Tennessee call center says the Make It Right cards didn't necessarily lead to faster resolution, however. A search of the Comcast support forums shows this is true at least some of the time.
What causes a metallic smell? Quick Answer. Reactions between chemical compounds on the skin and metals such as iron and copper can generate a metallic smell, explains Nature. A copper imbalance in the body, which triggers excessive yeast growth, can also cause a metallic odor, notes Dr. Lawrence Wilson.
It's a musty, metallic smell that sinks into your skin and makes your breath reek. It's unbearable in a lab because any residue that escapes the fume hood sticks to you like olfactory super glue. You'll smell it for days (and so will people around you). Beta-mercaptoethanol stinks like rotten eggs.