It is so depressing to work the whole Sunday, mopping the home and combing hair, and then, a few weeks after, there they are: the familiar white dots. This will not be due to poor hygiene but to the aggressive biology of mutant super lice, or sometimes to a missed removal step. Many common treatments only kill live bugs, leaving the protective eggs, also known as nits, for a week befo... https://blogs.mamaminnies.pk/can-head-lice-return-after-treatment/