Voted "Best of Boston" 14 years running! Organic, local, pesticide-free. Parents Love Us. Get the Peace of Mind you deserve with same day appointments. Welcome to a Lice-Free World! NitWits saves your valuable time by quickly removing the eggs and bugs from your child's head, and educating you about this common, but annoying, parasite.  For new clients only. Must indicate plan to use Certificate for services at time of booking appointment, or Certificate cannot be used to pay for appointment. Treatment Max time: 3 hours. Treatment group Max size: 4 people Expires April 15, 2018.