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.

Medically reviewed by Brendan Camp, MD When your scalp is itchy and white flakes are visible in your hair, you may wonder ...