I thought this pen would be better but when I use it for body treatments, it does not penetrate the fatty tissue. I use it on the highest setting and nothing. However it does fine for the lips. I also wished it came with instructions on how to crank the pen. It started as a learning curve. And yes I am already trained in providing treatment but if it showed you how to crank the pen, you would Atleast have a shorter learning curve as this is not the typical hyaluron pen.