Many over-the-counter shampoos and lotions use similar killing mechanisms to DDT, which has made it easier for lice, in some place, to grow resistant to these treatments as well. But scientists ...

Here's how to find out if they are super lice. Start with an over the counter shampoo, lotion, or cream. Use the lice comb that comes with the kit to help get them out of your child's hair.

Apply sufficient amount of gel to dry hair; wait 10 minutes. Rinse thoroughly. Use provided comb to remove lice and eggs. Shampoo and condition hair. Repeat if lice still present after 7–9 days.

These shampoos contain pediculicides—chemicals that kill adult lice and eggs—and are available as over-the-counter (OTC) or prescription options. Most treatments require at least two ...

and lice for up to 28 days, the shampoo soothes dry and irritated skin from flea bites and constant scratching. Lay says flea shampoos are fine to use alongside prescription flea control medications.