Lice infestation Head lice mostly spread thru person to person or by direct contact but shared items like comb brushes and hats can also spread LICE from person to person .Lice is more common in kids and children as they usually are in close contact with each other Lotions like ivermectin applied to hair kill LICE instantly. There are body lice also and people who are homeless and have poor hygiene are mostly having them Like hair lice body lice are highly contagious.Avoid sharing combs and clothes or sharing bed with infected person