Head lice, itchy parasites that live on the scalp ... in in-clinic treatments and a nearly 20-percent rise in lice-removal product sales over a 12-month period ending in April.

Human head lice (Pediculus humanus capitis) were collected from infested patients and subjected to any of three extraction solvents comprising either the test product or one of two solvents ...

Head lice can be a wintertime headache for families and schools, but simple precautions can stop the spread of these pesky ...

Lice have plagued humankind throughout ... The result is often a very itchy head. Relief comes only with the removal of all traces of infestation—the insects, each about the size of a sesame ...

Head lice infestations can be difficult to cure completely, and typically require multiple treatments. Some products may act ... specifically determining the removal efficiency of head louse ...