GHK-CU peptide vial, a single peptide ingredient and clear liquid inside the bottle.
A woman rubs her neck, showcasing pain and irritation in need of remedying.
GHK-CU peptide vial, a single peptide ingredient and clear liquid inside the bottle.
A woman rubs her neck, showcasing pain and irritation in need of remedying.
Revitalize & Heal

GHK-Cu

Target inflammation & revitalize skin health

GHK-Cu offers powerful anti-inflammatory, wound-healing, skin-regeneration, and antioxidant properties; making it one of the most well-researched and versatile peptides in cellular repair and anti-aging. A naturally occurring copper-bound tripeptide found in human plasma, it functions as one of the body's primary signals for tissue repair and collagen synthesis; concentrations drop by more than half between age 20 and 60.

At RegenMD, GHK-Cu is prescribed as a standalone injectable therapy. Injectable administration delivers systemic cellular access rather than the localized effects of topical copper peptide products.
GHK-Cu
  • Overview
  • Specifications
  • Promoting activation of wound healing
  • Attracts immune cells
  • Powerful anti-oxidant and anti-inflammatory effects
  • Stimulating collagen and g.a.g. synthesis in skin cells
  • Promotes blood vessel growth
  • Protects skin cells from harmful UV radiation
  • Reduces inflammation
  • Increases hair growth and thickness
  • Aids in suppression of molecules that accelerate diseases
  • DNA repairing properties
  • GHK-Cu
  • 15-20IU SubQ
  • Monday-Friday (a.m.)
  • 5 or 10 weeks

GHK-Cu is administered as a subcutaneous (SubQ) injection, with a 30G/31G syringe at the prescribed dosage.

Injection Tutorial

How GHK-Cu Works

GHK-Cu is among the most extensively researched copper peptides in biomedical literature, with a mechanism of action that extends far beyond what its simple three-amino acid structure might suggest. It functions as a biological signal that the body uses to initiate and coordinate tissue repair; its concentration rises sharply at wound sites and injury locations, recruiting the cellular machinery of healing in response to damage. As circulating levels decline with age, the body's repair signaling weakens; injectable GHK-Cu restores this signal systemically.

At the wound site, GHK-Cu activates the healing cascade by attracting macrophages, mast cells, and fibroblasts to the area of damage. It stimulates angiogenesis; the formation of new blood vessels that restore oxygen and nutrient supply to repairing tissue; and signals fibroblasts to begin producing the structural proteins that rebuild the extracellular matrix. This includes not only collagen I, the primary structural collagen in skin, but also collagen III, IV, and VII, as well as elastin and glycosaminoglycans; the full set of proteins responsible for skin firmness, elasticity, and hydration.

GHK-Cu's gene-activating properties distinguish it from most other repair-oriented compounds. Research by biochemist Loren Pickart documented GHK-Cu's ability to influence the expression of thousands of human genes; upregulating those associated with wound healing, anti-aging, cellular repair, and antioxidant defense, while downregulating those associated with inflammatory overactivation and cellular deterioration. This gene-level activity is what gives GHK-Cu its broad spectrum of effects across such diverse systems as skin, hair, connective tissue, and immune function.

For hair health, GHK-Cu acts on the dermal papilla cells that govern follicle cycling; stimulating follicle enlargement, supporting the proliferative phase of the hair growth cycle, and improving the vascular supply that follicles require to produce healthy, thick hair. Its effects on the hair follicle are both structural and vascular, making it one of the few peptides with mechanistically supported activity in both hair growth and skin regeneration.

GHK-Cu also provides antioxidant and anti-inflammatory protection at the cellular level; reducing reactive oxygen species, modulating pro-inflammatory cytokine signaling, and supporting the DNA repair mechanisms that protect skin cells from UV-induced and environmental damage. These protective effects complement its regenerative activity by reducing the cellular degradation that accumulated over time accelerates visible aging.

At RegenMD, GHK-Cu is administered as a subcutaneous injection Monday through Friday over a five or ten-week program, with dosing between 15 and 20IU established by your provider based on your goals and response.

What This Means For You

  • Activates the body's natural wound healing and tissue repair cascade
  • Stimulates collagen and elastin production for firmer, more resilient skin
  • Promotes hair growth and follicle health
  • Powerful antioxidant and anti-inflammatory protection
  • Encourages new blood vessel formation to repair tissue
  • Strengthens DNA repair at the cellular level
  • Protects skin cells from UV and environmental oxidative damage
  • Bolsters immune cell recruitment and healing response

Also find GHK-Cu in: Recovery Blend | Fountain of Youth | Vitality Boost

Frequently Asked Questions

GHK-Cu is a naturally occurring copper-bound tripeptide found in human plasma that functions as the body's biological signal for tissue repair, collagen synthesis, and cellular renewal. Its plasma concentration declines by more than half between age 20 and 60; injectable GHK-Cu restores this signaling capacity systemically. At RegenMD, it is prescribed both as a standalone therapy for skin rejuvenation, wound healing, and hair health, and as a component in several proprietary peptide blends where its collagen and repair mechanisms complement other compounds.

GHK-Cu activates fibroblast gene expression for multiple collagen types; not just collagen I, the primary structural collagen, but also collagen III, IV, and VII, along with elastin and glycosaminoglycans that complete the extracellular matrix. This activation occurs through copper-mediated signaling at the genetic level rather than through simple enzymatic stimulation, which is why GHK-Cu's effects on skin structure are more comprehensive than compounds that target a single collagen pathway. The result is rebuilding of the full structural protein network responsible for skin thickness, elasticity, and hydration.

GHK-Cu acts on dermal papilla cells; the specialized fibroblasts that govern the hair follicle growth cycle. It stimulates follicle enlargement, supports the transition into and maintenance of the active growth phase, and improves the dermal vascular supply that follicles require to sustain healthy hair production. Research has documented increases in both hair follicle size and growth rate with GHK-Cu treatment. Unlike topical copper peptide formulations that work primarily at the scalp surface, injectable GHK-Cu delivers the compound systemically for access to follicles throughout the body.

Research has identified GHK-Cu as capable of influencing the expression of thousands of human genes; upregulating those associated with tissue repair, anti-aging signaling, and antioxidant defense while downregulating genes associated with inflammatory overactivation and cellular deterioration. This breadth of gene-level activity explains why GHK-Cu produces effects across such diverse systems as skin, hair, connective tissue, and immune function from a single compound. It is less a targeted therapeutic agent than a systemic biological reset signal for the repair and maintenance processes that decline with age.

Topical copper peptide products deliver GHK-Cu to the surface layers of the skin, where absorption is limited by the skin's barrier function. The majority of the compound does not reach the deeper dermal layers where fibroblasts, blood vessels, and hair follicle structures reside.

Injectable GHK-Cu bypasses the skin barrier entirely, entering systemic circulation and providing access to every tissue in the body including the deeper dermal architecture, connective tissue, and hair follicles. Patients who have used topical copper peptides and found them mildly effective often experience significantly more pronounced results with injectable administration.

Getting Started Is Easy

Step 1: Consultation

A consultation to explore your goals, answer questions, and outline your wellness plan.

Step 2: Evaluation

Meet with a provider for a personalized evaluation and tailored peptide treatment plan.

Step 3: Activation

Finalize your order, receive treatment details, and begin your wellness journey.

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