How to Naturally and Effectively Get Rid of Head Lice

Head lice were always something completely foreign to me. They seemed like a problem from another era — almost like World War II.

While they are relatively rare, they might be common among school children. What’s more, not all parents take the issue seriously, which means that using a lice shampoo or dimethicone treatment only once is often not enough to fully solve the problem.

As a result, your child may be exposed to lice almost every time they go to school.

My Child’s First Experience with Head Lice

I remember noticing one day that my older son had started scratching his head. For over a week, I didn’t do anything about it because I assumed it was just an allergic reaction to shampoo. When I looked through his hair, I saw something that looked like dandruff and thought it was simply caused by scratching.

Over time, however, it became more frequent and started to worry me. Eventually, I searched online and realised that those white “flakes” attached to the hair were actually lice eggs! I was horrified.

The lice themselves are not easy to spot either — they are almost transparent, which makes them very easy to miss.

I immediately ran to the nearest pharmacy and bought a special shampoo and lotion containing dimethicone, a silicone commonly used in hair serums. In fact, most lice products are based on very similar ingredients.

Dimethicone works mechanically. It creates a thin silicone coating around lice and their eggs, blocking their respiratory system. As a result, the lice suffocate and become immobilised.

The problem is that dimethicone does not always destroy 100% of lice eggs (nits), which means thorough combing with a special lice comb is essential. The good news is that it is considered non-toxic. The bad news is that it can sometimes be simply ineffective — especially for thick or curly hair that is difficult to comb properly.

After the first treatment, the itching improved only slightly. I washed bedding, clothes, and towels at high temperatures. I repeated the treatment three days later — with very similar results. My son was still scratching his head. At one point, the whole family had “gone through” dimethicone… and it changed very little.

So I started looking for other solutions that were not only supported by scientific research but could also help prevent reinfestation. Today I want to share what actually worked.

1. Tea Tree Essential Oil

According to a study published in 2012 involving children aged 6–13, tea tree essential oil showed very strong anti-lice activity. At a concentration of just 1%, it killed 100% of lice within 30 minutes.

An even stronger effect was observed when tea tree oil was combined with nerolidol (1%). In this combination, the action appeared to be synergistic — not only effectively eliminating adult lice but also affecting the eggs more strongly.

Nerolidol showed particularly strong ovicidal activity, with approximately 50% of eggs failing to hatch after four days at a 1% concentration.

The study therefore suggests that combining these two substances may increase effectiveness against both adult lice and their eggs.

Nerolidol is a natural aromatic compound found in plants. It gives plants a delicate floral-woody scent and also has biological activity, including antibacterial and antifungal properties. I’ve never personally tried it, but I’m intrigued. If you’ve used this ingredient before, let me know in the comments.

In the same study, researchers also tested a combination of 0.5% tea tree oil and 1% nerolidol. This prevented nymph hatching after five days and completely killed lice within 30 minutes — similar to tea tree oil alone.

Researchers also suggest that essential oils may work both mechanically — by blocking the lice respiratory system — and chemically.

2. Lavender Essential Oil

Lavender oil is another effective essential oil with scientifically supported anti-lice properties. In a study published in 2010 involving children with active lice infestations, researchers compared three different products.

The first contained natural essential oils — tea tree oil and lavender oil. The second worked mechanically by “suffocating” lice (dimethicone). The third was a traditional chemical treatment.

The results were very interesting. The preparation containing tea tree and lavender oils was highly effective, with 97.6% of participants lice-free after treatment. The same result was achieved with the dimethicone product. In contrast, the traditional chemical treatment was significantly less effective, with only a 25% success rate.

3. Neem Extract

I won’t lie — neem oil is one of the worst-smelling oils I have ever bought. Only tamanu oil might smell worse (are there any tamanu fans here?).

However, neem seed extract turned out to be extremely effective against lice.

A 2011 study showed that a shampoo containing neem extract may work not only against adult lice but also against their eggs (nits).

Researchers immersed head and body lice eggs in neem shampoo for different lengths of time — from 5 to 45 minutes. Surprisingly, after just 5 minutes, none of the larvae hatched from the eggs. In the control group, most eggs developed normally.

The authors suggested that the preparation worked mechanically by blocking microscopic openings in the lice eggs responsible for gas exchange. As a result, the embryos were deprived of oxygen and could not survive.

According to the researchers, thoroughly covering the hair and scalp with the preparation for approximately 10 minutes was enough to eliminate both adult lice and nits.

In another study conducted in Egypt on 60 children aged 4–15, neem extract shampoo was also effective against all stages of lice development. Interestingly, researchers observed little difference between leaving the product on for 10, 15, or 30 minutes — even shorter application times produced excellent results.

No significant side effects such as irritation, burning, or redness of the scalp, forehead, or neck were reported during the study.

Prevention and Avoiding Reinfestation

As you can see, we do have scientifically supported natural methods for dealing with these unwanted visitors. The problem begins when your child attends school or nursery and other parents do not regularly check their children’s hair. In such situations, reinfestation becomes very common.

As a preventive measure, before school I spray my son’s hair and clothing with a homemade spray. I use 1% tea tree essential oil and 1% lavender essential oil diluted in water. This means that for every 100 g of spray, I add a total of 2 g of essential oils.

If you want the oils to mix more evenly with water, you can add a natural solubiliser for essential oils, such as Symbiosolv.

Have your children ever had head lice? What methods worked best for you? Let me know in the comments.