What does an ant use to keep all of its hair in place?

Ants use combs and brushes to keep their hair in place.

A recent research study has found out that ants use three types of combs to keep their in hair in shape, these are combs, brushes and bristle. Ant keep their antennae [hair] in shape because it increases the sensitivity of their antennae which they use for communication and for following trails.