Guides & Research

The Biohacker Blog

From sleep and recovery to red light therapy and hair growth: practical, science-led guides to help you choose with confidence.

Hair Growth

Derma Roller For Hair Growth: Needle Size, Usage, & More

Microneedling the scalp using a derma roller is a non-invasive technique backed by research and increasingly recommended by dermatologists. It works by triggering natural healing responses that can...

9 Min Read

Hair Growth

7 Best Products For Hair Growth and Thickness

Hair thinning and shedding are concerns that affect millions of people worldwide. Many people seek solutions to restore thickness and broadcast new growth, whether due to stress, genetics,...

7 Min Read