Hyperpigmentation no more? GHK Cu Users Share Their Stories Aseir Custom GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect Ghk cu results so far! This is only 3 weeks of using ghk cu 1 mg 5 days a week, also she added it to her tallow cream that she use Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK