Different between the first generation vital injector and the 2nd generation

Vital injector is very hot selling in beauty center and some hospital now.

Because it is the best beauty machine to inject beauty potion to skin dermis.

But what is the different between the first generation machine and 2nd generation?

The 2nd generaiton machine is the upgraded multi-use injector compared to any previous injection system.
The advanteges is sophisticated procedure using special and vacuum induced multi needle.

Vital injection in 2nd generation also better controlled hygienic treatment.