Lice Ladies EVICT Natural Lice Treatment Mousse has been researched and field tested by working "Lice Ladies" on thousands of lice infested heads and has proven to be very effective for all ages. Efficacy reports are available upon request. Liberally apply Lice Ladies EVICT to the hair, working down to the entire scalp. Wait 5 minutes. Do not dry hair. Section the hair off into small sections. Thoroughly comb through each section, ensuring that it is saturated with Lice Ladies EVICT paying attention to the scalp area. Comb each section thoroughly, in four directions from scalp all the way through to the hair ends.