I reported previously (Sep 2016) on Israel’s Vensica and its innovative method of using ultrasound to increase the porosity of skin tissue and allow treatments to be given without the use of needles. Vensica has just raised $2 million of funds to enable it to begin human trials by end 2018.
https://www.calcalistech.com/ctech/articles/0,7340,L-3722168,00.html