Ultimately, 262 studies were included in the final analysis
For eye-area products, 2% is more appropriate because the skin around the eyes is thinner and more reactive
Keep simple logs of injection timing, sites, doses, and any effects noticed
These effects were dose-dependent and required the copper complex (GHK without copper showed minimal effects)
Evidence is preclinical, drawn from rodent studies and in vitro work
Here are some tips for creating a customised hair development plan: know your hair, decide what you want it to grow into, get advice from a specialist, select the appropriate products, create a routine, track your results, include healthy habits, be persistent and patient, and stay educated