hello my name is Lana. I am from the USA. I work at Chrom Aesthetics. I would like to receive more information about your INTROFILL Auto-Injector. How it works. What solutions do you recommend to use for mesotherapy on your device. What amounts of drugs do you use for specific  zones and in what volumes (face, neck, décolleté). What settings do you set on the device and what protocol do you recommend?Thank you.