Kill head lice by washing infested articles in hot water (at least 140°F) and drying in a hot dryer. Items that cannot be laundered such as headgear, earphones, and bike helmets, can be placed in a plastic bag and put in a freezer. If the freezer is 5°F or lower, all lice and eggs should be dead within 10 hours.
Exposing lice and nits to temperatures above 125 degrees F for 10 minutes is lethal. Most personal articles of clothing and bedding can be disinfested by machine washing in hot water or machine drying for at least 20 minutes using the hot cycle.
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.
Hair brushes, combs, and hair accessories can also easily be cleaned after head lice. Simply bring a pot of water to a rolling boil. Be sure the water is at least 130 degrees Fahrenheit. The accessories need to soak for at least fifteen minutes in the water to kill the head lice and nits.
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.
Hair straighteners won't kill the nits on your hair shafts. Even if the high heat does kill any adult lice or nymphs (young lice) that might be on your scalp—which isn't guaranteed—it won't kill the eggs (nits).
Permethrin lotion 1% is approved by the FDA for the treatment of head lice. Permethrin is safe and effective when used as directed. Permethrin kills live lice but not unhatched eggs.
The proportion of lice killed varied from 10% with the bonnet‐style hair dryer to 80% with the Louse‐Buster with hand piece.
Saltwater will also kill lice, so if you live near an ocean, a swim would help. You can also put a shower cap on the head and heat the hair with a hair dryer. Heat will kill the lice. Body lice can be controlled by washing the person's clothing and vacuuming any beds or other furniture they may have used.
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.
Vinegar is one of the classic home remedies for lice. 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.
The risk of getting infested by a louse that has fallen onto a carpet or furniture is very small. Head lice survive less than 1–2 days if they fall off a person and cannot feed; nits cannot hatch and usually die within a week if they are not kept at the same temperature as that found close to the scalp.
A preventative shampoo and spray can break the life cycle. A shampoo that kills lice before they can lay eggs is critical for closing the “bridge” from one head to another.
Use fingers to separate hair and create a part. The part should allow you to clearly see the person's scalp. Look for lice crawling on the scalp where the hair is parted or on the hair shaft. The lice will be dark in color and the size of a poppyseed.
But, you can kill lice by laundering washable items in hot, soapy water in a washing machine. They will also die if heated in a hot dryer for 30 minutes.
Use hairspray to stick it to head lice
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.
Combs, brushes, hats and other hair accessories used by an infested person may simply be washed in hot water each day to dislodge any lice or nits.
For years, people have been trying to kill lice by dying or bleaching their hair. The problem with this method is that it's simply not an effective way to treat lice. Bleaching/dying your hair will not effectively kill lice because lice have the ability to protect themselves from bleach and many other harsh chemicals.
You Have to Treat Them
Head lice will not go away on their own. If you think your child has an infestation, there are several steps you should take right away. Call your doctor to confirm the diagnosis. Notify your child's day care or school so other students can be checked.
Olive Oil smothers and kills active head lice, making nit removal easier and moisturizing the hair and scalp. Part hair and apply the oil directly onto the scalp. Massage into the entire scalp making sure to saturate the hair. Apply a shower cap.
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.
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.
It is not usually possible to get rid of lice in one day, as an infestation needs to be treated. However, there are treatments that can help get rid of lice and symptoms caused by lice more quickly. Lice infestations must first be treated by improving the hygiene of the infected person.