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...

Eleven studies comparing mesotherapy with 5% minoxidil and other topicals: favourable efficacy and satisfaction overall, with honest caveats on mixed density findings. The full ...

Twelve studies, 253 men and 274 women: the Tang 2022 systematic review found positive efficacy for mesotherapy in pattern hair loss across every included study, with no signific...

A systematic review of 27 mesotherapy studies across six agent classes, from dutasteride to growth factors. What works, what is unproven, and where the field lacks standard prot...

A randomised trial in 40 women with pattern hair loss: adding weekly microneedling to 2% minoxidil nearly doubled the response rate. The full plain-language report.

A three-arm randomised trial in 60 men: microneedling alone beat minoxidil alone on hair density, and the combination beat both. A follow-up study tied the effect to the Wnt gro...

The newest meta-analysis pools 12 randomised trials and 631 patients: adding microneedling to minoxidil produces a large, significant hair count gain, and needle depth mattered ...

A 120-woman randomised trial compared minoxidil alone, minoxidil plus microneedling, and minoxidil plus oral spironolactone. The microneedling arm gained the most hair density w...

A blinded randomised trial in 68 men added weekly microneedling to 5% minoxidil. Hair count gains were several times larger with the combination. The full plain-language report.

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...

GHK-Cu and AHK-Cu are the two copper peptides used in hair care, and they are not interchangeable. What each one is studied for, the key differences, and why combined formulatio...

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...