Best Microneedling Pen and Microneedling rollers
Which is better, Microneedling Pen vs. DermaRoller? Microneedling rollers are the previous generation of needling devices. One of the many drawbacks of dermal rollers is the fixed needle or penetration depth (i.e. 0.5mm) which is not very conducive when treating an area like the face which requires different depths due to the varying thickness of…