Hair Growth Articles

Medically reviewed by Dr. Esther Bodde, MD, Cosmetic & Plastic Surgeon. Last updated: September 2026. Quick answer: a good derma stamp for hair growth has fine needles t...

A randomised trial gave 30 men four monthly scalp microneedling sessions with no topical treatment. Hair density did not improve. What that means, and what to combine needling w...

Three device types, one variable that actually has trial evidence behind it. Which at-home microneedling device suits you — and what none of them has been proven to do.

Microneedling does regrow hair — but the evidence is strongest alongside a topical, not on its own. Depth, frequency, what to pair it with, and a realistic 12-week timeline.

For scalp use a derma stamp beats a derma roller on depth control and safety — but the landmark clinical trial used a roller. We compare needle entry angle, depth and the actual...