Cetaphil Skin Cleanser may be effective, nontoxic treatment for head lice. It works by suffocating the lice.

Head lice when left untreated multiply and spread when the lice fall on furniture, bedding and clothing. Lice also transfer through ordinary physical contact, including hugging.

Head lice is common in schools and other environments with large numbers of people. Lice can spread by head-to-head contact, but you can also catch it through indirect contact, like using someone else's brush, borrowing someone's hat or even cuddling with an infected person's stuffed animals.

Lice, or pediculus humanus capitis, are wingless, parasitic insects that annually affect approximately 6 to 12 million U.S. children ages 3 to 11. Lice transmission occurs from direct contact with inanimate objects, such as a comb, brush, hat or scarf.

Although most people want head lice cured as quickly as possible, removing lice eggs from the hair is no easy task. It requires plenty of patience, persistence and a methodical approach.

Head lice, or pediculus humanus capitis, are tiny, wingless, parasitic insects that are common among school-age children between the ages of 3 to 12, according to Kids Health. Lice feed on blood from the scalp with a female adult louse capable of laying up to eight nits, or eggs, per day.