Tag: how often to use derma roller for hair growth

Derma roller for hair growth can increase hair counts by 15%. And as clinical evidence for microneedling continues to grow, so do the devices available to consumers: microneedle rollers, microneedle stamps, and even automated needling devices – with needle lengths ranging from 0.25mm to 2.5mm (and higher). But with microneedling research still in its infancy,…