Time for a little GHK CU update for the people who are interested. It's day 9. I took a little break on day 5 just so my body didn't get too 'used' to The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Copper Peptides for Hair Loss: How GHK Cu Can Stimulate Hair Growth HapiPatch The Blue Revolution: Why 1% Pure GHK Cu is the New Standard for Mature Pure & Cimple GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B