Stacked
Healing & RecoveryResearch profile

GHK-Cu

Copper Peptide · Copper Tripeptide-1 · 蓝铜肽

Think of it as your skin's personal trainer.

GHK-Cu is like a pep talk for your skin cells. This little compound encourages your body to produce more collagen and elastin, the proteins that keep skin firm and smooth. Imagine it as a motivational coach, whispering to your cells to 'tighten up!' As a result, you might see fewer fine lines and a more resilient skin texture.

Beyond just keeping your skin in shape, GHK-Cu also plays a role in hair health. It can stimulate hair follicles, potentially making them more robust and less likely to throw in the towel. In other words, it helps keep your hair game strong.

And if you’re dealing with cuts or scrapes, GHK-Cu steps in as a first responder, promoting faster healing. This peptide seems to have a knack for telling your body to get on with the repair work, making it a handy ally in the healing process.

Who it's for

  • Beauty enthusiasts looking to reduce fine lines
  • Active individuals prone to minor cuts and scrapes
  • Anyone experiencing hair thinning and seeking a boost

Probably not for you if…

  • Those expecting overnight results
  • People with copper allergies
  • Individuals looking for a one-stop anti-aging solution

Editorial summary for research context · Not medical advice

Mechanism of Action

GHK-Cu is a naturally-occurring human tripeptide (Gly-His-Lys) bound to a copper ion. Research suggests it modulates collagen and elastin synthesis, upregulates antioxidant enzymes (SOD), influences multiple gene-expression pathways implicated in tissue remodeling, and has cosmetic applications in skin firmness and wound aesthetics. Its concentration in plasma declines substantially with age.

Researched Benefits

Skin quality & collagen synthesis

Clinical trials have shown reduction in fine lines and improved skin density following topical/subdermal application.

  • [Pickart & Margolina 2018]

Hair follicle stimulation

Ex-vivo hair-follicle organ-culture studies demonstrate increased follicle size and reduced apoptosis.

  • [Pyo et al. 2007]

Wound repair

Diabetic-wound and ischemic-wound models show improved closure rates and granulation tissue.

Research Protocols

The following dosing ranges have appeared in published research protocols. Presented for informational purposes only — not a recommendation for human use.

Systemic skin/hair research

Dosage
2 mg
Frequency
daily
Timing
evening
Cycle
8 weeks

Subcutaneous administration in research contexts. Topical formulations also widely studied for cosmetic endpoints.

Localized scalp research

Dosage
3 mg
Frequency
3x weekly
Timing
evening
Cycle
12 weeks

Scalp-directed injection in hair-loss research protocols.

Reported Side Effects

  • Injection-site redness and flushing
  • Temporary localized pigmentation changes
  • Rare metallic taste on administration

Contraindications

  • Wilson's disease and other copper metabolism disorders
  • Pregnancy and lactation

Stacking Partners

Peptides commonly paired with GHK-Cu in published research and protocol write-ups.

Vendor Pricing

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Gear + Companions

Reconstitution supplies and research-backed supplement companions for GHK-Cu. Editorial picks only — we earn a commission through Amazon on the click, no sponsorship.

Gear you'll need

· Reconstitution + storage essentials
  • Bacteriostatic Water 30mL (0.9% Benzyl Alcohol)

    Empower Pharmacy / generic medical supply

    Reconstitutes every lyophilized peptide. 28-day viability refrigerated.

  • Insulin Syringes 31G × 5/16" × 0.5mL (100 count)

    EasyTouch

    31G × 0.5mL insulin syringes — the default size for sub-0.25mL peptide doses.

  • Alcohol Prep Pads (Sterile, 200 count)

    Dynarex

    Sterile 70% IPA prep pads — one per vial stopper + one per injection site.

  • 1-Quart Sharps Disposal Container

    BD / Becton Dickinson

    FDA-cleared sharps container — pharmacies won't accept improvised disposal.

Stacks well with

· Supplement companions — independent evidence, not sponsored
  • Omega-3 Fish Oil (Molecularly Distilled, 240 softgels)

    Nordic Naturals

    Omega-3s lower systemic inflammation across the same pathways healing-axis peptides act on. The combination is additive in pre-clinical work.

  • Granactive Retinoid 2% Emulsion (30mL)

    The Ordinary

    Modern retinoid pairs safely with copper-peptide topicals on alternating evenings — tretinoin-grade collagen stimulation without the irritation profile.

  • Collagen Peptides Unflavored (2 lb)

    Vital Proteins

    Connective-tissue repair needs substrate — healing peptides signal repair; collagen peptides provide the raw amino acids.

  • Magnesium Glycinate 400mg (240 capsules)

    Nested Naturals

    Most people are sub-optimal in magnesium — glycinate form pairs well with recovery-focused protocols + doesn't cause GI distress.

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Top Videos

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Research Papers

  • Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data

    Pickart L, Margolina A · International Journal of Molecular Sciences · 2018

    PubMed 29986520
  • The effects of tripeptide-copper complex on human hair growth in vitro

    Pyo HK, et al. · Archives of Pharmacal Research · 2007

    PubMed 17703739