Bug found in my friends hair. What is it?

a tiny insect in someone’s hair, head lice are often the first possibility that comes to mind.

Head lice are small, wingless insects that live on the human scalp and feed on blood. They are adapted specifically to living among human hair.

Adult head lice are generally about the size

of a sesame seed, while their eggs, called nits, are much smaller and are attached firmly to individual hairs near the scalp.

Unlike many insects that simply wander through hair, lice are specifically adapted to remain there.

What Do Head Lice Look Like?

Adult head lice can be difficult to