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Anti-Aging
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99%+ Purity

GHK-Cu

Copper Peptide GHK-Cu

Published: June 17, 2025 Last updated: July 8, 2025 Reviewed by MVP Peptides Editorial Team

GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine. It has extensive research supporting its role in wound healing, skin regeneration, and anti-aging effects. GHK-Cu levels decline with age, which has led to interest in supplementation.

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Purity

99%+

Molecular Weight

403.92 g/mol

Administration

Subcutaneous injection or topical cream/serum

Storage

Store at 2-8°C

Mechanism of Action

GHK-Cu modulates copper metabolism and activates wound healing mechanisms. It stimulates collagen and elastin synthesis, promotes angiogenesis, has anti-inflammatory effects, and activates genes associated with tissue remodeling and stem cell activity.

Sequence:

Gly-His-Lys-Cu

Chemical Structure
Interactive 3D

Loading 3D structure...

2D Structure Reference

Chemical structure of GHK-Cu

Research Areas

  • Skin aging
  • Wound healing
  • Hair growth
  • Antioxidant effects
  • Tissue regeneration

Potential Benefits

  • Improved skin elasticity
  • Reduced wrinkles
  • Enhanced wound healing
  • Hair follicle stimulation
  • Anti-inflammatory effects

Research Dosing Guidelines

For research purposes only. Not for human consumption.

Typical Dose

1-2 mg (injection) or topical application

Frequency

Daily (topical) or 2-3 times weekly (injection)

Duration

8-12 weeks

Administration

Subcutaneous injection or topical cream/serum

Often used topically in skincare products. Injectable form for research purposes.

Reconstitution Calculator

mg
mcg
2.0 ml
0.5 ml5 ml

U-100 Insulin Syringe

0102030405060708090100

0.0 units

Concentration

2500 mcg/ml

Inject Volume

0.0004 ml

Syringe Units

0.0 IU

Doses Per Vial

5000

For research and educational purposes only. Always follow proper reconstitution and sterile handling protocols.

Topical vs Injectable GHK-Cu: Application Guide

GHK-Cu is unique among peptides because it is effective through both topical and injectable routes. The optimal approach depends on your research target.

Route Comparison

FactorTopical (Cream/Serum)Injectable (SubQ)
Best forSkin aging, wrinkles, hair folliclesSystemic tissue remodeling, wound healing
Concentration0.1-2% in carrier base1-2 mg per injection
FrequencyDaily application2-3x weekly
PenetrationDermal layers onlyFull systemic distribution
Evidence baseStrong for dermal outcomesStrong for systemic gene activation
ConvenienceNon-invasive, easy to useRequires reconstitution and injection

Topical GHK-Cu is well-established in cosmetic research for stimulating collagen and elastin synthesis in the skin. Injectable GHK-Cu is preferred when researchers target systemic gene expression changes across multiple organ systems.

Potential Side Effects

  • Generally very well tolerated
  • Mild skin irritation (topical)
  • Injection site reactions

Storage Requirements

Store at 2-8°C. Protect from light.

Research References

  • [1]
    GHK Peptide as a Natural Modulator of Multiple Cellular Pathways (2015)
    Preclinical Population: In-vitro human cell cultures and gene expression databases

    GHK-Cu activates over 4,000 human genes involved in tissue remodeling, antioxidant defense, and stem cell activity.

    Limitations: Gene expression changes may not translate directly to clinical outcomes

  • [2]
    The Human Tripeptide GHK and Tissue Remodeling (2008)
    Preclinical Population: In-vitro fibroblast and wound healing models

    GHK stimulates collagen, elastin, and glycosaminoglycan synthesis while attracting immune cells to wound sites.

    Limitations: Primarily in-vitro evidence; limited in-vivo human data

Frequently Asked Questions

What is GHK-Cu?

GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine with extensive research supporting its role in wound healing, skin regeneration, and anti-aging. GHK-Cu levels naturally decline with age, which has spurred significant interest in its supplementation for research purposes.

What are the potential research benefits of GHK-Cu?

Research suggests GHK-Cu may improve skin elasticity, reduce wrinkles, enhance wound healing, and stimulate hair follicle growth. It achieves these effects by stimulating collagen and elastin synthesis, promoting angiogenesis, and activating genes associated with tissue remodeling.

How is GHK-Cu typically dosed in research?

GHK-Cu is typically used at 1-2 mg via subcutaneous injection two to three times weekly, or applied topically in cream or serum form daily. Research cycles generally span 8-12 weeks, with topical application being the most common route.

What are the side effects of GHK-Cu?

GHK-Cu is generally very well tolerated in research settings. Potential side effects are minimal and may include mild skin irritation with topical use and injection site reactions with injectable administration.

How should GHK-Cu be stored?

GHK-Cu should be stored at 2-8°C and protected from light to preserve its copper-peptide complex integrity. Proper storage conditions are essential for maintaining its purity and biological activity.

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