KLOUT, it's not a pestacide and it's wonderful stuff. It breaks down their outer skeletons and they can't feed or breed. You can retreat multiple times if necessary. It's over the counter, but sometimes you have to ask to have the drug store order it.
Click here to go to company website to read more about Klout!
Now, you still need to remove as many of the nits(eggs) as possible. A mixture of half vinegar and half rubbing alcohol applied to the hair can help to loosen the nits. There is a better comb for lice removal on the market called the
Lice Meister Comb.
There is some basic household clean up that many people just don't take seriously enough. The bedding, towels, dirty clothes, and any washable toys all need to be washed in HOT water. Any toys that normally hang out on the bed that can not be washed, must be placed in AIR TIGHT plastic bags for 2 WEEKS. Vacuum the matress, around the bed, the sofa, and anywhere else the child spends time lying around. There are some household pesticide sprays for lice that are somewhat useful. I say somewhat useful because so many lice have become immune to the pesticides that it's a bigger problem to get rid of them these days.
There is an alternate treatment with Mayonaise. I know it sounds weird, but it's usually pretty good. You coat dry hair all the way to the scalp with good old fashion full fat mayo....any brand will do, just no low-fat, no-fat, or Miracle Whip. After coating the hair and scalp, cover the hair with a shower cap or plastic wrap for 3 hours. Warm water rinse, and shampoo, still you need to remove the nits.
If this fails, call your doctor. There are options that are prescription, but one is really flammable and the other has potential neurological side effects. Maggie.....who normally gets paid to say all of this to Mommies.