A year ago I started working with a copper peptide called GHK Cu. Topically every night. And under my doctor's care, I went deeper than topicals with a low dose. The difference in Everything you need to know about GHK Cu WHAT IS IT? A copper peptide your body naturally produces but production drops by 60% by age 60. It's one of the most Private Label Organic Professional Treatment Hair Loss Copper Peptide Hair Growth Serum10% Ghk Cu Hair Growth Serum The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu Peptide Skin Cream for Women: Anti Aging & Repair Joi + Blokes GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B