Why we love it: Reverses skin metabolism Combats dark pigmentation Eliminates acne scarring, freckles, and age spots Cons: Higher price point Price: RM256.00 Where to buy: Total Images e-store 10

Subcutaneous Injection Sites Abdomen 2+ inches from navel, rotating around stomach area Outer Thighs Mid to upper outer thigh regions Upper Arms Back of upper arm (harder to self-inject) Upper Outer Quadrant of Buttocks Upper outer region for easy self-administration Proper Injection Technique Technique involves: Clean injection site with alcohol swab Pinch skin to create fold Insert needle at 45-90 angle into subcutaneous tissue Inject slowly and steadily Remove needle and apply gentle pressure without rubbing Critically: Rotate injection sites to never use the same spot consecutively Important Injection Considerations GHK-Cu specifically can cause injection site reactions ranging from mild to moderate pain due to copper peptide irritation, with possible redness, swelling, or knot formation lasting several days
Understanding how this peptide works at the cellular level can help inform decisions about its potential role in joint support protocols
Peer review Peer review information Nature Reviews Endocrinology thanks Michael Pollak and the other, anonymous, reviewer(s) for their contribution to the peer review of this work
Muftuoglu M, Alaniz Z, Mak D, Lin AJ, Burks J, Carter BZ, Andreeff M