Well...in my case..when I would investigate
a "pimple" by extracting it with tweezers..
more often than not..I would find something in
there..that definitely did not belong.
...things like..this:
...by the time that these odd..things began showing up,
I had been dealing with "pimples that did not heal"
for 11 years. ["bug bites" started ..December 1997..]
..started growing fibers from the skin ..Sept 2009.