Head lice infestations are extremely common, particularly among school-aged children. According to the Centers for Disease Control and Prevention (CDC), an estimated 6 to 12 million cases occur each year in the United States among children ages 3 to 11. Lice are not a sign of poor hygiene or unclean environments. In fact, they spread primarily through direct head-to-head contact , which is why they are especially prevalent in settings such as schools, daycares, camps, and ho