How does head lice form and if you have head lice can you get lice on your eyebrows?

Headlice are parasitic insects that live in the hair of mammals.The adult female head louse lays eggs,often called 'nits'.These are stuck to the hair.They hatch & baby lice are born.They feed by sucking blood from the head.Its possible that they could lay eggs in your eyebrows, but unlikely.