GHK Cu might be trending, but it's not new. Before you inject yourself with this viral peptide, consider this. This copper peptide has been studied for years in skin repair and collagen signalling, Ghk Cu Tolerance Desensitization Effectiveness Loss GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Copper peptides support skin repair, barrier recovery, and firmness signalling. But GHKCu is different not all copper peptides behave the same. A new 3% GHK Cu option from MySeries makes