GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia Experiencing itching & burning from your GHK CU peptide injections? Try these to hacks: 1. Use a longer syringe to penetrate deeper into the fat cells. 2. Dilute the copper. Here I GHK Cu Peptide Dosing PeptidesPower GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Peptides and Wellness Medications Why is GHK delivery challenging? Injectable forms are not approved worldwide safety risks if self injected Topical creams & serums cannot penetrate deeply most GHK stays on skin surface