3 ms·

I think a pretty big component of it is protein? Mine only comes off with the special cleaner, or powdered detergent (not the liquid kind which is missing some

I think a pretty big component of it is protein? Mine only comes off with the special cleaner, or powdered detergent (not the liquid kind which is missing some anti enzyme cleaners) (or lots of scrubbing)

b3morales 4y ago
Polymerized oil seems more likely, similar to the impossible-to-clean gunk that forms on kitchen surfaces from cooking fats.