3 articles
Most people who quit microneedling do it around month 3 — exactly when nothing is supposed to be visible yet. The honest month-by-month timeline, what's normal, and when 'no results' really means non-response.
Most derma rollers sold online are the wrong needle length and the wrong build for scalp use. What actually separates a usable tool from a $5 tetanus risk — roller vs stamp vs pen, and how to choose.
Combining a 1.5 mm dermaroller with topical minoxidil produced 4× more hair regrowth than minoxidil alone in the Dhurat 2013 RCT. Mechanism, needle length, protocol, and what the 2025 meta-analysis confirms.