GHK-Cu Peptide – Product Description
GHK-Cu is a high-purity copper-binding tripeptide complexed with copper(II), supplied for controlled laboratory research on tissue remodeling, collagen dynamics, and regenerative signaling. This research-grade peptide is synthesized to stringent specifications and validated by third-party analytical testing to support reproducible preclinical work.
GHK-Cu Research Peptide Specifications:
| Unit Size |
100 mg/vial |
| Unit Quantity |
1 vial |
| Purity (HPLC) |
> 99% |
| Sequence |
Gly–His–Lys–Cu²⁺ (GHK-Cu complex) |
| Molecular Formula |
C14H22CuN6O4 (GHK-Cu complex) |
| Molecular Weight |
~404.9 g/mol |
| Appearance |
Lyophilized blue-green powder |
| Source |
Chemical Synthesis |
| Storage Conditions |
Store lyophilized GHK-Cu at -20°C in a dry, dark environment. After reconstitution, store at 4°C and use within the recommended research holding period according to institutional guidelines. |
| Research Use Only |
This research peptide is intended for laboratory research use only. Not for human consumption, clinical use, or therapeutic applications. Please review our terms of service prior to ordering. |
What is GHK-Cu? Research Background and Mechanism
GHK-Cu (glycyl-L-histidyl-L-lysine–copper) is a naturally occurring tripeptide–metal complex identified in human plasma, saliva, and urine. Endogenous levels of GHK-Cu decline with age, making it a key candidate for research on age-associated changes in tissue repair capacity and extracellular matrix remodeling.[1,2]
In laboratory models, GHK-Cu has been shown to modulate gene expression programs associated with collagen synthesis, matrix turnover, antioxidant defenses, and inflammatory signaling. Research indicates that GHK-Cu can influence both synthesis and controlled breakdown of collagen and glycosaminoglycans, as well as the activity of matrix metalloproteinases (MMPs) and their inhibitors.[1,3]
Preclinical data suggest that GHK-Cu supports:
- Collagen and elastin synthesis in dermal fibroblasts
- Angiogenesis and microvascular remodeling in wound environments
- Regulation of oxidative stress and inflammatory mediators
- Tissue remodeling in skin, connective tissue, and other organ systems
Because of this broad mechanistic footprint, GHK-Cu is frequently used as a model peptide for regenerative research, anti-aging studies, and investigations into skin barrier repair and post-injury remodeling pathways.
GHK-Cu Research Focus Areas
1. Skin Remodeling, Collagen Dynamics, and Anti-Aging Pathways
GHK-Cu has been extensively studied for its impact on dermal remodeling. In vitro and in vivo models demonstrate that GHK-Cu can promote collagen and glycosaminoglycan production, enhance dermal density, and support more organized extracellular matrix architecture.[1,3] These mechanistic findings align with research evaluating GHK-Cu in the context of wrinkle reduction, photoaging models, and overall skin firmness and elasticity.
Laboratory investigations have also explored how GHK-Cu may modulate metalloproteinase activity, supporting a more favorable balance between collagen synthesis and controlled matrix degradation. This dual impact makes GHK-Cu a useful research tool for examining “healthy” matrix turnover rather than simple overproduction of structural proteins.
2. Wound Healing, Angiogenesis, and Tissue Repair
GHK-Cu has demonstrated pro-regenerative effects in a variety of wound-healing models, including cutaneous wounds and ischemic tissue environments.[1,2,4] Research suggests that GHK-Cu can accelerate wound contraction, enhance granulation tissue formation, and support angiogenesis through modulation of growth factors and endothelial cell behavior.
These findings position GHK-Cu as a valuable tool compound for exploring:
- Re-epithelialization and keratinocyte migration
- Fibroblast recruitment and organization of the extracellular matrix
- Vascular remodeling and microcirculatory support in damaged tissues
3. Oxidative Stress, Inflammation, and Gene Expression
Preclinical studies indicate that GHK-Cu can exert antioxidant and anti-inflammatory effects, including modulation of reactive oxygen species (ROS) and inflammatory cytokines in multiple tissue types.[1,2,5] In gene-expression profiling, GHK-Cu has been associated with upregulation of repair-associated pathways and downregulation of several stress- and inflammation-related genes.
GHK-Cu is therefore frequently utilized in in vitro and in vivo models assessing:
- Redox signaling and antioxidant defense pathways
- Chronic wound and impaired-healing models
- Age-related declines in regenerative gene programs
4. Hair Follicle Biology and Scalp Research
Because GHK-Cu participates in dermal remodeling and microvascular support, emerging research has begun to investigate its role in hair follicle biology and scalp tissue environments. These preclinical investigations focus on follicular miniaturization, dermal papilla cell activity, and local perfusion, utilizing GHK-Cu as a probe for pathways that interface between skin health and hair growth.
Important Research Notice: Nordsci peptides undergo independent third-party laboratory testing to verify purity and identity. Certificate of Analysis (COA) documentation is available for each research lot to support rigorous scientific methods and quality assurance.
THIS PRODUCT IS INTENDED FOR LABORATORY RESEARCH USE ONLY. NOT FOR HUMAN CONSUMPTION. NOT INTENDED TO DIAGNOSE, TREAT, CURE, OR PREVENT ANY DISEASE OR CONDITION.
GHK-Cu Certificate of Analysis (COA) – Lab Testing
Nordsci provides batch-specific analytical documentation for GHK-Cu, including HPLC chromatograms and mass spectrometry identity confirmation.
Download GHK-Cu COA Lab Test Results
Where to Buy GHK-Cu for Research Purposes
Research-grade GHK-Cu should be sourced from suppliers capable of delivering high-purity peptide, validated identity, and transparent quality documentation. Nordsci specializes in research-only peptides and stacks that support rigorous preclinical design, with a focus on consistency across lots and clearly defined specifications.
How to Source GHK-Cu for Laboratory Research
When evaluating suppliers, researchers should confirm that each lot of GHK-Cu is accompanied by:
- Certificate of Analysis (COA) with HPLC and mass spectrometry data
- Documented peptide sequence, molecular characteristics, and storage guidance
- Clear “research use only” designation to align with non-clinical application
GHK-Cu Research Peptide Pricing Considerations
Pricing for GHK-Cu varies by purity grade, quantity, and formulation strategy (e.g., standalone peptide versus stack inclusion). Laboratories should budget not only for the peptide itself but also for appropriate storage, handling, and analytical verification where required by institutional policies.
Research Institution Procurement and Compliance
Procurement teams and principal investigators should ensure that GHK-Cu acquisition aligns with internal purchasing policies, chemical inventory management systems, and safety documentation requirements. Proper labeling, secure storage, and access control are key to maintaining compliance across ongoing research programs.
IMPORTANT: GHK-Cu is sold exclusively for in vitro research and laboratory applications. It is not approved for human use, clinical protocols, or any therapeutic application. Researchers are responsible for adhering to all applicable regulations governing peptide research in their jurisdiction.
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