Lice are blood-sucking parasites of the insect class. In people
2 types of lice parasitize: human (includes two subspecies –
head and wardrobe) and pubic. If the hair roots settled
headache or body louse, this disease is called
pediculosis. If pubic – ftiriaz. These diseases are transmitted only
from sick person to healthy. The disease is treated with
drugs and alternative medicine.
There are effective ways to prevent. 
Contents
What deters lice from a person?
The content of the article:
- What deters lice from a person?
- What smell are lice afraid of?
- Do lice die from bleaching powder?
- Are lice and nits of water afraid, can they breathe under water
- Why lice do not die when washing the head
- What causes head lice?
- Pediculosis prevention methods
Allocate a lot of money in the fight against lice, which
allow not only to carry out treatment, but can be used in
as a primary prevention or re-infection.
The most effective are chemical and mechanical methods. AT
In the first case, the fight against parasites is carried out through the application
special means that have a negative effect on
vital activity of insects. 
REFERENCE! To prevent infection of the scalp
and hair should be treated with special oils, esters and
shampoos that do not like their smell parasites and violate
coupling nits with the surface.
What smell are lice afraid of?
Lice do not tolerate harsh odors. With the aim of
Prevention and treatment can be applied:
- lavender, mint or coconut oil;
- rosemary juice, cranberries, cemerichnaya water and tar soap;
- kerosene.
To smell longer on the hair, they must be carefully
treat with a therapeutic compound and leave to soak for several
hours, then rinse with warm running water. Louse repellent
the smell will last up to 3 days.
Do lice die from bleaching powder?
Lice are killed by bleach. But in no case
it cannot be used to remove the parasite, because chlorine is very
Strong irritant
will provide a chemical burn of the skin and upper respiratory mucosa
ways. 
Are lice and nits of water afraid, can they breathe under water
The main way of lice transmission is contact, i.e. transmission
pathogen occurs when touching, hugging, using
common infected items, including co-swimming in
swimming pool, visiting the bath with a sick person. Transporters
diseases can without harm to themselves hold under water at + 15 –
17 ° two days, so they are not afraid of water. 
Why lice do not die when washing the head
If suddenly a person has lice, then just wash them off.
using ordinary shampoo does not work. This is due
features of the body structure of the parasite. To human hair louse
fastened with three pairs of strong and tenacious legs that provide
strong fixation. 
IMPORTANT! When the female lays eggs, she releases
an adhesive that is not soluble in water and simple
shampoos
What causes head lice?
Pests die as a result of the action of special drugs,
from cold or high temperatures and with mechanical removal
(shaving hair, combing nits with a comb).
Medications
When lice are used drugs with the following
substances:
- Malathion – aerosol for external use
“Couple plus” . Penetrates through the chitinous shell of the parasite, causes
his poisoning and death.
- Фенотрин — шампуни “Итакс”, “Anti-bit” .
They are a poison that poison the lice’s nerve cells and cause
their doom
- Перметрин — “Медифокс”, крем “Knicks” , шампуни
“NOC”, “Nittifor”. Paralyzing lice, preventing them from durable
attachment to the hair.
- Chemerichnaya water – solution for outdoor
application. It has a neurotoxic effect on the parasite.
- Piperonyl – butoxide, aerosol for outdoor
применения “Spregal” . Blocks parasite defenses and strikes
their.
- Креалон — “Paranit” , “Паранит-сенситив”.
Oil-based shampoo, “smothering” lice.
Before using all of the above drugs
you need to consult a doctor who
determine indications and contraindications and prescribe the desired mode
application. Be sure to read the full instructions to
drug.
Mechanical method
This method is used with a small number of head lice.
(total number of nits and adults not more than 10), and also
pregnant women, children under 5 years old, people with damaged scalp.
With this method on the person who removes the parasite,
Wear an apron, gloves and a hat. To the patient
wash the head, then rinse with a solution (1 tbsp. vinegar per 1 liter
warm water). After, a thread is passed through the teeth of the comb,
moistened with vinegar, comb their hair. You need to tilt your head and
put paper or oilcloth. At the end of the combing burn paper
(oilcloth) together with parasites.
At what temperature do the lice die?
For lice, a comfortable temperature ranges from 20 to 38 ° C. For
nits fatal temperature is below -20 ° C or above +60 ° C,
and for adults, it is +40 ° C or below -15 ° C. Because
human skin temperature is 36.6 ° C and does not depend on
ambient temperatures, then a walk in the cold or heat
cures pediculosis. 
Is it possible to kill lice and nits with an iron for hair
Elimination of lice with a hair straightener is possible.
as it heats up from 140 to 250 0C, which will allow
destroy both nits and lice. But this is only possible when
the pest is located along the entire length of the hair and in combination with other
by methods. 
Lice settle mainly around the hair roots to
drink blood, and the iron is harmful to the roots and, therefore, growth
hair. Therefore, the method is effective, but is shown in extreme
cases. These include pregnancy and the period of breast
feeding.
Hair dye
With pediculosis, many people use hair coloring,
because the hydrogen peroxide and ammonia contained in it are harmful to
lice, they die. At the same time, the lighter the color of the paint, the
more efficient. But single use is not enough, after 1 and 2
weeks need to re-apply the composition, which is very harmful to the skin
head reduces its stability, respectively, increases the risk
re-infection with head lice. 
Folk methods
To popular methods of treatment of lice include:
- Table diluted vinegar. Acetic acid
dissolves the sticky nits and makes them easier to comb out.
For cooking, you need to dilute 9% table solution by 2 times and
Apply to hair for 30-40 minutes, then rinse with running water.
- Dichlorvos. Must be applied to hair
Dichlorvos and put on a cap or package. The method is very dangerous and not
recommended for use as the substance is very toxic and
causes severe poisoning.
- Kerosene. Blocks the access of oxygen to the lice,
resulting in them dying. Kerosene – flammable and toxic
substance. It is not recommended to use it more than 1 time per week.
Usually one application is enough. Oily base helps
to effectively deal not only with adults, but also with nits.
- Essential oils. Used unchanged,
applied to the entire length of the hair and rubbed into the scalp. Can
leave the composition overnight. As a result of the repulsive smell from
skin, lice stop eating, and without blood they are not capable
long time to maintain vitality.
- Tincture of wormwood with tansy. Mix 20 g
each plant and pour 200 ml of hot water. Let it stand
15-20 minutes and put in a water bath, wait 10 minutes. To give
cool and apply on scalp for several hours.
- Tar soap is an irritating substance
with a strong smell. It should wash their heads at least 3-4
times a week.
After applying the therapeutic formulations, the hair is well dried and
proceed to the mechanical combing. This allows you to remove
dead individuals and detached from the nits hair. Process
painstaking, but without it you will not be able to completely get rid of
parasites.
What haircut to pick up
With pediculosis, a short haircut is ineffective because
nits and lice are attached at the base of the hair, that is, it will only help
shave bald Doctors recognized that shaving hair –
traumatic event for the patient in terms of psycho-emotional
comfort, especially if it is a child. There are modern
effective drugs that will not remove hair
completely. After treatment, girls are advised to collect
hair in a bun and braid braids, and boys – in a timely manner to do
haircut. 
Pediculosis prevention methods
According to the recommendations of Rospotrebnadzor to prevent
pediculosis should perform the following activities:
- Follow the rules of personal hygiene. Implies
regular body wash with changing clothes and bedding, washing
bedding, followed by ironing, regular cleaning
houses. - Conduct independent and mutual inspections of all
family members. - Do not use yourself and do not allow the child to take
other people’s items for personal use: combs,
towels, hats, hairpins, hair ties. - Inspect bedding when traveling,
try to use personal.
If lice or nits are detected (or both
immediately) need:
- Purchase a special anti-pediculent drug at the pharmacy
or cook it yourself at home. - Apply the medication on the scalp in accordance with
instructions for use. - Wash your head with warm water, you can use a cosmetic
shampoo - Comb out dead lice and nits with a special comb.
- Wash bedding and clothes, iron them.
- Inspect yourself and relatives living together.
Attention! To avoid reinfection and
spread of the parasite, it is recommended that once a month
10 days to examine the child and family members for lice.
Lice are vulnerable to temperature, odors, oils,
vinegar and chemicals. Preference is worth
give medications because traditional methods of treatment are not
have guaranteed effectiveness. When used high
risk of adverse reactions, such as: allergies, irritation,
chemical burns, poisoning.
