The adult stage lasts about 28 days. Lice cannot fly or jump but they can crawl very quickly. Hang coats so they are not touching other persons' coats. Do not allow hats to touch other hats. Head lice seek warm temperatures, so they stay close to the scalp.
Head lice are parasites that feed by piercing the scalp and sucking blood.
When the infested person has developed antibodies to this feeding, the scalp becomes itchy. The most commonly reported infestation is head lice. Continue with the combing procedure in Step 2. Apply another treatment on DRY hair 24 hours later. This will be the Day 1 application.