Nits are bulletproof. Impervious to lice shampoos, nits just start up hatching again, once you wash the pesticides our of your child’s hair. If you don’t get every last nit out of your kid’s scalp, the head lice colony will repopulate. Want to learn how to successfully treat head lice safely? Give us a call today. We will talk you through it over the phone 617-816-9487 NitWits LLC. Head Lice is all we do.