1. Myth:You need to vacuum and wash everything in you house. Fact: Head Lice are not in your house, clothing, linens or furniture. Lice live their entire lives on the human scalp and would only go directly to another scalp. 2. Myth: Once you shampoo with Rid or Nix you no longer have head lice. Fact: Pesticide shampoos are not an effective head lice removal treatment because they do not kill the lice eggs. Myth: One terrible child with a bad Mommy brought Head Lice into you child’s classroom at school. Fact: Head Lice are ubiquitous and present all year in 5% to 10% of school age children, regardless of class or parenting styles.