How might the nurse use the concept of empowerment in assisting families

As a nurse in a migrant health clinic, the community health nurse is finding reoccurrence of head lice among the children.  Living conditions for the migrant workers are such that three or four young children sleep together on one mattress.  There are however, running water and treatment shampoo available.  How might the nurse use the concept of empowerment in assisting families to deal with the recurring infestations with head lice?