ghk cu peptide fda Is GHK-Cu actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly. The short version: copper peptides have real research behind GHK-Cu Copper Peptide: Benefits, Dosage

The histidine imidazole and the N-terminal amine and lysine side chain give GHK a high intrinsic affinity for copper(II), and as the free apo-peptide it has been studied in preclinical and in vitro research as a copper-binding ligand and as a signaling molecule implicated in extracellular-matrix remodeling, collagen and metalloproteinase regulation, and antioxidant and anti-inflammatory gene-expression pathways

[1] Conversely, in biopsies from non-lesional KP, the sebaceous glands are not atrophied

The 0.9% concentration is the established pharmaceutical standard balancing antimicrobial efficacy with compatibility across the range of pharmaceutical and research compounds reconstituted in Bacteriostatic Water

It is formulated to support detoxification, glutathione production and overall antioxidant activity