For those who have doubts about the safety of using Derma roller, you need to understand that all these needles depend on size. The need for skin needs to be organized in medical spa, using needle 1.5 mm and above.
For home use and initial, I highly recommend using 0.25 mm to 1.0 mm needles. When you are comfortable with the microscope, you can increase the size of your needle.
If you are using the needle 1.5mm and above, then you will need to numb the skin before treatment, because it is relatively painful. Now the needle, the greater result is that many professional clinics employ large size...
