The hair used in the ads actually came directly off of the face of a fully grown man. The water and soap were then filtered off, leaving pure manface hair to be shoved into the electron microscope.

Even a perfectly smooth human hair looks like a scaly, alien creature under a microscope. Zoom in on this particular hair, though, and you’ll find something even stranger: a teeny, tiny comic ...

LinusBio collects $16M with plan to help diagnose autism using a single strand of hair By Conor Hale Jan 6, 2023 9:45am autism diagnostic tests series A Mount Sinai ...