All About Head Lice – Nits, Nymph, and Louse

Head Lice

What are head lice?

Also called Pediculus humanus capitis, head lice are parasitic insects found on people’s heads. It is very common to have head lice.
Head lice are small insects that live and feed on blood from your scalp. Lice are light brown, leaden, or brown, and they lay eggs (nits) and attach them to your hair.

Forms of Head Lice

There are three forms of lice: Eggs (also known as nits), nymphs and adult lice.

Eggs (Nits)

Nits are the eggs of head lice. They are very small, are hard to see and often confused with the scales produced by dandruff or with the droplets of the hair fixative. Adult females of the lice deposit the nits in the root of the hair, very close to the scalp. The nits are strongly attached to the capillary root. They are of the oval form and, usually, its color is between yellow and white. The incubation period of the nits is 1 week. Eggs that are most likely to become lice are usually found 1/4 inch from the scalp.


Nits come out of the nits called nymphs, which are similar to adult lice, but smaller. The nymphs mature and become adult lice approximately 1 week after hatching (opening eggs). To live, nymphs have to feed on the person’s blood.

Adult louse

The adult louse has 6 legs and its color is between grayish and white. In people with dark hair, the adult louse looks darker. Females, which are usually larger than males, deposit eggs. Adult lice can live for 30 days on a human’s head. To live, the adult louse needs to feed on blood. If the louse detaches from the person, it dies within 2 days.

All About Head Lice - Nits, Nymph, and Louse

Signs and Symptoms of Head Lice Infestation

A tingling sensation about something is moving in your hair.
Irritability of the area.
Itching, caused by the allergic reaction to pitting.
Scalp injuries caused by scratching.


The Best Proved, Natural and Safe Head Lice Treatment for Children and Adults in Your Home

Comb your child’s wet hair with a fine tooth comb. Do this for 3 or 4 days for 2 weeks to remove all growing lice. Wet hair styling may be the only suitable treatment for children under 2 years. To help remove nits, soak your child’s hair in a mixture of equal parts of water and wine vinegar. Then wrap your child’s hair in a towel for 15 minutes. Remove the towel and comb your child’s hair with a fine tooth comb.

If after 12 hours dead lice are not found and found to be as active as before treatment a physician should be consulted for some medical treatment.


How to Prevent the Spread of  Lice

Disinfect Personal Items: Soak combs, brushes, and other lice medicine or warm water supplies. Wash combs to remove lice and the clothing used during the treatment of lice and after each hairstyle.

Check all members of your family for head lice: Treat all those with head lice at the same time. Do not share personal items or bedding.