Professional Hyaluron Pen High PressureProfessional Hyaluron Pen High Pressure Our Hyaluron Pen is an injection without needle eliminates the risk of infection from the needle. It does not leave scars and puncture marks of the skin tissue with a needle! Advantages of Hyaluron Pen: Spring and piston, which allow, under pressure, quickly and evenly inject drugs under the skin through a hole with a diameter of 0. 1 mm, which is two times smaller than the needle thickness for injection! With