Lice are more bothersome than life threatening like some of the diseases they’re bringing over.
Some home remedies for lice:
Adults - Shower your head with the hottest water you can stand (not for kids) to help catch them at the start. If there are lice in the school, parents should do this once or twice a week on themselves to help kill off eggs and live ones before they get an infestation.
For adults and kids - cover your hair with mayonnaise and wrap it in a plastic bag to keep it on your head and off the furniture. Leave it on as long as you can because the bugs supposedly can’t breath with mayo. On a similar note - some cultures leave oils and heavy conditioners on their hair making it more difficult for the lice to grab hold of the hair.
For adults and kids - Blow drying hair will help kill off live ones and cook the eggs.
Blow drying the hair will not do anything to kill off lice. By the time the letter came home from my daughter’s school that a kid was found with lice advising to check our kid’s heads. Since my daughter told me she HAD been itching I immediately took her to the school nurse. She found eggs after parting the hair in a few places. I then thought “Oh crap” and asked nurse to check my head. She didn’t even have to touch my hair just looked and saw some white nits. See, I had been suffering, sometimes very INTENSELY, from scalp itch for a couple of weeks at least. I had never dealt with lice nor knew anyone who ever had it so it didn’t even cross my mind, I just thought my dandruff was acting up, or as my scalp is sensitive, that I’d become allergic to shampoo ingredients. Anyways, during that whole time I had blow-dried my long hair just about every day.