The Peptide Field. GHK-Cu: approval and evidence record. Editorial review: 2026-07-23. Dataset version: 2026-09-11.1. https://thepeptidefield.com/peptides/ghk-cu Lookup: https://thepeptidefield.com/peptide-evidence-checker?peptide=ghk-cu#result This is a dated editorial summary, not a live FDA check or independent medical review. It does not recommend treatment or verify a product in hand. Status: No FDA-approved injectable GHK-Cu drug product Exact product limits: A topical product and an injectable product are not the same evidence question. Topical formulations, compounded non-injectable products, and injectable products are different evidence questions. FDA separately flags injectable GHK-Cu risks. Human outcomes: Limited. Small formulation-specific human studies exist, but broad regenerative and anti-aging outcomes are not established. Body effects in people: Limited. Copper binding and cell-level signaling are biologically plausible but not equivalent to clinical benefit. What the evidence shows: One small randomized topical study after laser resurfacing had 13 people who completed it. It found no significant between-group improvement in erythema, wrinkles, or objectively assessed skin quality, although questionnaire-reported satisfaction was higher in the GHK-Cu group. FDA says human data are limited and flags potential immunogenicity from aggregates and peptide-related impurities for injectable routes. What remains unknown: The evidence does not establish that injected GHK-Cu rejuvenates organs, repairs injury throughout the body, reverses aging, or produces the same effects as a studied topical formulation. Safety limits: Route and formulation are part of the claim. This guide does not provide injectable-use, compounding, cosmetic-treatment, or wound-care instructions. Sources used in the full review (a source is not support for every claim): U.S. Food and Drug Administration. Bulk drug substances that may present significant safety risks. 2026. Accessed 2026-07-23. https://www.fda.gov/drugs/human-drug-compounding/certain-bulk-drug-substances-use-compounding-may-present-significant-safety-risks PubMed ยท Archives of Facial Plastic Surgery. Effects of topical copper tripeptide complex on CO2 laser-resurfaced skin. 2006. Accessed 2026-07-23. https://pubmed.ncbi.nlm.nih.gov/16847171/ U.S. Food and Drug Administration. 503A bulk drug substances under evaluation. 2026. Accessed 2026-07-23. https://www.fda.gov/media/94155/download?attachment= Keep the limits, review date, and sources with this record. Check the current source for changes.