community How often should I microneedle. And what length?
Microneedling for hair loss involves using 0.25-0.5mm needles multiple times a week for Minoxidil absorption and 1.0-1.5mm needles once every two weeks to a month for deep follicle stimulation. One user prefers using 1.5mm needles every two weeks, separate from Minoxidil application days.