I reported previously (27th Nov) on Israeli startup Parasonic and its ultrasonic comb for destroying head lice and their eggs (nits). The device has now received FDA approval and should be launched by mid-2018. Parasonic has just raised $1.6 million of funds.

https://www.timesofisrael.com/israeli-startup-seeks-to-make-back-to-school-gloom-lice-free/