People are searching for the GHK Cu pen. Ordering it online. Trying to figure out how to use it safely at home. We looked at all of that and thought: there has to Copper Peptide Solution, 1% GHK Cu in double Hyaluronic Acid Serum Pptido de cobre GHK GHK Cu Tripptido 1 Amazon.com: Neurogan GHK Cu Copper Peptide Hair & Scalp Serum 2400mg, 4% Copper Peptides Fast Absorbing, Water Based Formula for Hair Softness & Shine Cosmetic Dry Scalp Moisturizer Spray, Made in USA : Copper Peptide (GHK Cu) 2% Recovery Serum GHK CU Peptide Anti Wrinkle Serum Private Label Options