GHK CU aka the beauty peptide. I've got the reconstitute and dose chart at the end for reference. Where I purchase mine from Elite Peptides Australia Discount code WISHY10 (because who doesn't love GHK Cu Copper Peptide: The Ultimate Peptide For Longevity The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Glow from within with GHK Cu Copper Peptide This powerhouse peptide supports collagen production, skin repair, and hair follicle health, helping improve skin firmness, radiance, and support fuller, healthier looking hair from the GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy