GHK-Cu Source

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GHK-Cu references: the studies this digest draws from.

Every quantitative claim on this site resolves to one of these peer-reviewed sources. Each carries its journal, year, DOI, and PubMed or PMC link.

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GHK-Cu references on this site number fifteen peer-reviewed entries — the audited core of the copper-tripeptide literature, spanning the 1988 collagen dose-response work to the 2024-2025 senescence-reversal and delivery reviews. Inline markers across the research, skin, benefits, dosage, and FAQ pages point here by number.

The list is weighted toward primary studies and authoritative reviews. Where a finding is corroborated by an investigator independent of the compound's original researcher — Campbell 2012 on COPD fibroblasts [8], and the Ladiges-group reviews [7][15] — that independence is noted in the body text because it strengthens the weight of the claim. Several entries are reviews (Pickart 2008, Pickart 2015, Pickart & Margolina 2018, Mortazavi 2025); they are cited as reviews, and the primary measurements they summarize are attributed where possible.

  1. Maquart FX, Pickart L, Laurent M, Gillery P, Monboisse JC, Borel JP. Stimulation of collagen synthesis in fibroblast cultures by the tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu2+. FEBS Lett. 1988;238(2):343-346. ↗
  2. Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. Int J Mol Sci. 2018;19(7):1987. ↗
  3. Pickart L, Vasquez-Soltero JM, Margolina A. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration. Biomed Res Int. 2015;2015:648108. ↗
  4. Lee WJ, Sim HB, Jang YH, Lee SJ, Kim DW, Yim SH. Efficacy of a Complex of 5-Aminolevulinic Acid and Glycyl-Histidyl-Lysine Peptide on Hair Growth. Ann Dermatol. 2016;28(4):438-443. ↗
  5. Hostynek JJ, Dreher F, Maibach HI. Human skin penetration of a copper tripeptide in vitro as a function of skin layer. Inflamm Res. 2011;60(1):79-86. ↗
  6. Pickart L. The human tri-peptide GHK and tissue remodeling. J Biomater Sci Polym Ed. 2008;19(8):969-988. ↗
  7. Dou Y, Lee A, Zhu L, Morton J, Ladiges W. The potential of GHK as an anti-aging peptide. Aging Pathobiol Ther. 2020;2(1):58-61. ↗
  8. Campbell JD, McDonough JE, Zeskind JE, et al. A gene expression signature of emphysema-related lung destruction and its reversal by the tripeptide GHK. Genome Med. 2012;4(8):67. ↗
  9. Dymek M, Olechowska K, Hac-Wydro K, Sikora E. Liposomes as Carriers of GHK-Cu Tripeptide for Cosmetic Application. Pharmaceutics. 2023;15(10):2485. ↗
  10. Endo T, Miyagi M, Ujiie A. Simultaneous determination of glycyl-L-histidyl-L-lysine and its metabolite, L-histidyl-L-lysine, in rat plasma by HPLC with post-column derivatization. J Chromatogr B Biomed Sci Appl. 1997;692(1):37-42. ↗
  11. Bobyntsev II, Chernysheva OI, Dolgintsev ME, Smakhtin MY, Belykh AE. Anxiolytic effects of Gly-His-Lys peptide and its analogs. Bull Exp Biol Med. 2015;158(6):726-728. ↗
  12. Sever'yanova LA, Dolgintsev ME. Effects of Tripeptide Gly-His-Lys in Pain-Induced Aggressive-Defensive Behavior in Rats. Bull Exp Biol Med. 2017;164(2):140-143. ↗
  13. Arul V, Kartha R, Jayakumar R. Biotinylated GHK peptide incorporated collagenous matrix: A novel biomaterial for dermal wound healing in rats. J Biomed Mater Res B Appl Biomater. 2005;73(2):383-391. ↗
  14. Mortazavi SM, Mohammadi Vadoud SA, Moghimi HR. Topically applied GHK as an anti-wrinkle peptide: Advantages, problems and prospective. BioImpacts. 2025;15:30071. ↗
  15. He Q, Mazzola J, Ladiges W. The naturally occurring peptide GHK reverses age-related fibrosis by modulating myofibroblast function. Aging Pathobiol Ther. 2024;6(4):158. ↗