GHK-Cu

Research Studies & Clinical Trials

Overview

GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper) is one of the most extensively studied tripeptides in the scientific literature. Research spans wound healing, skin regeneration, neuroprotection, anti-aging, and anti-inflammatory mechanisms.

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Key Published Studies

Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data
Pickart L, Vasquez-Soltero JM, Margolina A — Cosmetics, 2018 (PMC6073405)
A comprehensive review demonstrating GHK-Cu's ability to stimulate blood vessel and nerve outgrowth, increase collagen, elastin, and glycosaminoglycan synthesis, and support dermal fibroblast function. Clinical studies confirmed improved skin appearance in aging subjects.

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GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration
Pickart L, Vasquez-Soltero JM, Margolina A — BioMed Research International, 2015 (PMC4508379)
Placebo-controlled clinical studies found GHK-Cu to significantly improve skin quality in women around age 50, including enhanced collagen production, skin density, and reduction of fine lines.

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The Potential of GHK as an Anti-Aging Peptide
Lintner K et al. — Skin Pharmacology and Physiology, 2022 (PMC8789089)
Documents GHK-Cu's prominent antioxidant and anti-inflammatory effects in vitro and in vivo, as well as its role in promoting skin remodeling and wound healing. Highlights potential clinical applications in dermatology and regenerative medicine.

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The Human Tripeptide GHK-Cu in Prevention of Oxidative Stress and Neurodegeneration
Pickart L — Biomolecules, 2013 (PMC3359723)
Demonstrates GHK-Cu's neuroprotective potential, identifying it as a candidate for preventing common age-associated neurodegenerative conditions through modulation of oxidative stress pathways.

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Exploring the Beneficial Effects of GHK-Cu in Experimental Ulcerative Colitis
PMC, 2024 (PMC12263609)
A murine model study evaluating GHK-Cu's therapeutic potential in DSS-induced ulcerative colitis, showing significant reduction in inflammatory markers and tissue damage.

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GHK Reverses Age-Related Fibrosis and Restores Tissue Homeostasis
PMC, 2025 (PMC12352503)
Demonstrates that GHK accelerates wound healing and tissue regeneration, increases collagen contraction, and triggers the secretion of key growth factors involved in tissue homeostasis.

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Summary of Key Findings

| Area | Finding | |---|---| | Skin Regeneration | Increases collagen, elastin, and GAG synthesis | | Wound Healing | Accelerates closure and tissue remodeling | | Anti-Aging | Reduces fine lines; improves skin density | | Neuroprotection | Reduces oxidative stress in neural tissue | | Anti-Inflammatory | Downregulates pro-inflammatory cytokines | | Hair Growth | Promotes follicle activity; comparable to minoxidil |

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Research Use Only. All studies cited are for informational purposes. GHK-Cu sold by Bausch Pharma is intended solely for laboratory and scientific research.