Not sure what you're referring to by green, but for my rather simple razor that can dirty I just scrub it with some soap and an old toothbrush.
Looks like it could be rust or the start off.
I'll give it a good clean and see where that gets me.
@cmburns started
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Not sure what you're referring to by green, but for my rather simple razor that can dirty I just scrub it with some soap and an old toothbrush.