How to effectively use the picosecond laser pen
Using Steps: 1. Plug in the machine. 2. Press the "Inten" and "Fre/Hz" button to select the intensity and frequency.we suggest starting the operation from the lowest intensity and frequency, then slowly adjust to the suitable level. Note: 9 level is the lowest frequency. 3. Wear the protective glasses and ask someone to help in case you are going to use it on your face 4. Put the hole of the pen towards to the spot where you want, Continuously press the Switch button. Note: we suggest NOT TO stay in the same location for more than 3 seconds. 5. It has an effect on melanin. After operation, you will see the mole turning into more black, then you can stop. After a few days, it...