Washing, soaking, or drying items at a temperature greater than 130°F can kill both head lice and nits. Dry cleaning also kills head lice and nits.
Petroleum jelly (Vaseline).
Like olive oil, many moms swear by this (other options: styling gel or mayonnaise). The thick jelly supposedly suffocates lice by clogging their breathing holes. For best results, coat the hair and scalp, cover it overnight with a shower cap, and wash out the next morning. Comb for nits.
However, if you are trying to find out how to get rid of nits using vinegar, you should know that using vinegar to kill nits or lice eggs is totally ineffective. Vinegar has no negative effect on the lice eggs. What it will do is sting like crazy if there is any kind of cut on the scalp.
Disinfectants are known for killing germs and bacteria. However, they are not an effective or safe treatment when it comes to killing lice and nits.
Heat Method:
There are recent studies that show that treatment of lice with heat can be quite effective in killing head lice. Products such as Lousebuster are very effective but even a home hairdryer can successfully treat lice.
Spinosad (Natroba) is a newer prescription treatment for head lice. You can apply it to dry hair and the scalp for 10 minutes and then rinse with water. The treatment doesn't usually need to be repeated.
Coconut, tea tree oil, lavender, eucalyptus, rosemary, lemon grass, and peppermint are scents popularly believed to repel lice. Using any coconut scented shampoo and conditioner is an easy way to increase your defense. At 1% concentration, tea tree oil killed 100% of head lice after 30 minutes.
Vinegar contains properties that kill and get rid of nits and lice. This mixture should be applied directly to the whole scalp. Mix 1 cup of vinegar with 1 cup of warm water. Next, distribute this mixture onto the scalp and cover your hair with a hair cap.
Left untreated, head lice can lead to secondary infections, which can be serious. Bacterial infections, such as impetigo, can occur when scratched bites become infected; this can have serious consequences if not treated properly.
Because the active ingredients have remained the same all these years, new generations of head lice have become immune to them. Once lice become immune, the product no longer works. Scientists call this resistance.
Sometimes it will be easier to remove the nits if you wet the hair with white vinegar while you are combing the nits out. Vinegar helps loosen the "glue" that holds the nits to the hair. Separate and comb small sections of hair at a time.
As with furniture and carpets, adult lice typically live for around 2 days on pillows and sheets without human contact. Nits will not hatch and will die within a week. People should machine wash any pillows or sheets someone with lice has used in hot water of more than 130°F (54.4°C) .
HAND SANITIZER "STUNS" LIVE LICE FOR A SHORT PERIOD OF TIME MAKING IT EASY TO BE REMOVED WITH NIT COMB. HAND SANITIZER WILL DISSOLVE THE "GLUE" THAT HOLDS NITS TO THE HAIR MAKING THEM EASY TO REMOVE WITH A NIT COMB. HAND SANITIZER CAN BE USED DAILY.
Hairspray makes it harder for the louse to grab hold. The smell of hairspray and the use of solvents (sad but true) in them can also deter creepy crawlies from finding their way in. Not to mention that if you're tying longer hair back, you've got a double whammy.
Washing Procedure
There is no need for special chemicals or detergents to kill the lice. You don't need any unusual equipment or special training. The primary weapon against these bugs is… heat.
First off, here's what not to do: don't shave your or your child's head, or coat it with petroleum jelly or mayonnaise or anything else designed to "suffocate" the parasite. You'll probably end up with greasy, smelly, lice-infested hair.
One method that people have attempted to use is a blow dryer or hair straightener, thinking the heat would dry up and kill any lice. This idea is heading in the right direction, and while desiccation can be used to kill lice, it's important to note that a regular hair dryer or straightener will not treat lice.
But if you're wondering will disinfectant spray kills lice on a human head, know this is ineffective, unhealthy, and dangerous.