Hairgenetix Copper Peptide GHK-Cu Hair Growth Serum - FAQ banner

Hair Growth Articles

Microneedling for hair growth — needle depth guide showing 0.25 mm, 0.5 mm and 1.5 mm penetration in a scalp cross-section

Microneedling for Hair Loss: Does It Work?

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.

Read more →
Derma stamp vs derma roller for hair growth — cross-section diagram comparing vertical stamp needle entry with angled roller needle entry in the scalp

Derma Stamp vs Derma Roller for Hair Growth: Which Actually Works?

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 ...

Read more →