Peptide Therapy in Brandon & Lakeland, FL BPC 157, TB 500 & GHK Cu Peptide Therapy for Hair and Skin in Scottsdale, AZ The Hormone Zone If you think GHK Cu is just an expensive skin cream, we need to talk. The truth that 99% of people, and even many doctors, overlook is that this copper peptide is Your body made this peptide every day until you turned 30. Then it stopped. GHK Cu (copper peptide) is a naturally occurring tripeptide discovered in 1973. At age 20, your plasma levels sit