I'm so proud of my Alma mater.... ....discovering that hairs talk to each other....
Hey, this could explain those voices.
There's a similar situation with Prednisolone eye drops. It treats inflammation after surgery although it has other uses. One interesting side effect is that it "gets loose" in the capillary web in the area of both eyes and the temples.
Your hair comes back. It also gains color as this drug turns on your hair stem cells!