How Often To Microneedle .25. Using a microneedle derma roller too often can irritate your skin. Always begin with a freshly washed face when using your microneedle derma roller.
The frequency of your treatments will depend on the length of your derma roller’s needles and your skin’s sensitivity. 0.25 mm needle derma roller should be used daily or alternate day. 0.5 mm needle roller may be used once every 3 weeks.
0.5 mm dermaroller may be used once every 3 weeks.
“never go over.3mm for the face,” she says. Deep treatments for scars may be repeated every 4 to 6 weeks. 0.5 mm dermaroller may be used once every 3 weeks. It is very difficult to judge for yourself which part of the skin is thick enough to safely use a longer needle length.