GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? GHK Cu for hair growth does it actually work?, Short answer: no., GHK Cu can be great for skin , but when it comes to hair growth, the evidence just isnt there., And this isnt just theory., As a 2 weeks in on GHK Cu and the glow is REAL., Brighter complexion, More even skin tone, Less breakouts, Softer fine lines, Thicker, fuller hair, This is just the beginning. Consistency is GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness