Ghk Cu Skin Transformation Before And After GHKCU Skin Transformation Results After 4 Weeks These are the incredible and visible results of GHK Cu phototherapy patches. No injections (that burn so bad) or nose sprays (that stings) or pills needed (affected by your digestion). Just a patch ! GHK Cu Peptide Progress: Week 3 Results GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? Snapklik.com : Skin Perfection Copper Peptide Serum GHK CU 1% For Face & Hair Copper Peptides For Skin, Hair, & Scalp 1% Blue Liquid For Face, Neck, Body, Scalp Multi Use Serum Booster