Fortunately, it’s an ailment which can be resolved by intense fine combing. Services are springing up to do so, a bit pricy but very effective with properly trained staff - akin to just getting one’s hair done. Just scrape them buggers out and kill ‘em in bug-lethal chemicals.
I bet WD-40 would also work.
VX ....or Sarin should do in a pinch...:o)