Who gets lice? Almost anyone with hair ¼ of an inch or longer is susceptible to getting head lice. How do we know that lice like sweet people? Because The Nit Nanny Products have treated thousands of the cutest families. These families have the sweetest kids. That’s how we know only the sweetest kids get lice. So if your child ever asks “Why do I have lice?” you can say, “Because you are sweet. Lice only like the sweetest kids.” We also find that Moms are sweet enough to get Lice about 80% of the time but Dads only get it about 10% of the time! The Nit Nanny treatment line can keep you sweet.