How Often to Inject GHK Cu PeptidesExplorer 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 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 show you how to BEAUTY PEPTIDE DETAILS + TIPS + why this peptide is everywhere right now, GHK Cu (copper tripeptide) goes beyond surface level beautyits naturally found in the body but declines with age. Known