GHK-Cu
The copper peptide studied in skin, hair, and collagen research.
A naturally occurring 3-amino-acid peptide bound to copper — referenced in 200+ dermal and regenerative studies.
The Simple Version.
Cutting through the jargon — here's what GHK-Cu is and why it's the most-referenced peptide in skin and hair research.
GHK-Cu is the copper peptide for skin, hair, and dermal research.
- It's a 3-amino-acid peptide bound to a copper ion (Cu) — naturally found in human plasma at high concentrations in your 20s, declining sharply with age.
- Researched for collagen production, skin firmness, hair follicle health, and wound healing in dermal research models.
- Referenced in over 200 published studies — including dermatology research dating back to the 1970s.
- Often called the "anti-aging peptide" in research because it's been studied for declining collagen, skin elasticity, and gray hair reversal in research models.
Note: GHK-Cu is sold strictly for laboratory research use only. Not approved or evaluated by the FDA for human or animal use. All references above describe published research data only.
Three Key Areas.
GHK-Cu is studied across three primary research categories — all tied to its role in tissue regeneration and copper-mediated cellular pathways.
Skin & Collagen
Studied for collagen synthesis, skin elasticity, and dermal regeneration in research models. The original use case dating to dermatology research from the 1970s.
Hair Growth
Referenced in hair follicle research, particularly for follicle stimulation, hair pigmentation, and gray hair reversal studies.
Wound Healing
Studied in accelerated wound research and tissue regeneration — often paired with TB-500 in dermal repair research protocols.
GHK-Cu has been referenced in over 200 published studies — making it the most-documented copper peptide in modern dermal and regenerative research.
Pickart et al., 2018 · PubMed PMID: 29986520
Every Batch is Tested.
We don't just say "99% purity" — we show you the test results. Public COAs from real third-party labs, no email gate.
Why HaloAmino Exists.
"For years, the peptide industry has been charging $80, $90, even $120+ per vial for the exact same research compounds — while hiding COAs behind email gates, shipping 7+ days from overseas, and treating customer service like an afterthought. I built HaloAmino because researchers deserved better. Every batch tested. Every COA public. Every order shipped same-day from the US. No gimmicks."
Built Better Than Competitors.
Same research peptide. Better purity, better testing, better experience.
Stack & Save.
Researchers studying GHK-Cu commonly pair it with these supplies and compounds.
Bac Water 30mL
Required to mix your vial. Sterile bacteriostatic water — every researcher needs this.
TB-500 10mg
The cell repair peptide — often paired with GHK-Cu in dermal and wound healing research.
Wolverine Stack
BPC-157 + TB-500 pre-blended — often researched alongside GHK-Cu for full-system regeneration protocols.
GHK-Cu FAQ.
Is this real GHK-Cu or fake?+
Every batch is independently tested by Janoshik Analytical — one of the most trusted third-party peptide testing labs. We publish the full COA publicly on our site for every batch — no email or login required. We also specifically verify the copper content, which is the difference between real GHK-Cu and just GHK.What is GHK-Cu used for in research?+
GHK-Cu is the most-studied copper peptide in skin, hair, and wound research. It's been referenced in over 200 published studies dating back to the 1970s on collagen synthesis, hair follicle research, and tissue regeneration. Important note: GHK-Cu is sold strictly for research use only, not as a medication or human-consumption product.Why is GHK-Cu blue?+
GHK-Cu has a distinctive blue color when reconstituted — that's because of the copper ion (Cu) bound to the peptide. The blue color is normal and indicates the copper complex is intact. If reconstituted GHK-Cu is clear or colorless, that's a red flag for product quality.GHK vs GHK-Cu — what's the difference?+
GHK is the bare 3-amino-acid peptide. GHK-Cu is that same peptide bound to a copper ion. Almost all research uses GHK-Cu because the copper complex is what makes it biologically active. Buying plain GHK without the copper is usually a waste — make sure you're getting the -Cu version.What makes HaloAmino different?+
Three things: public COAs on every batch (no email gate), 99%+ purity standard verified by Janoshik Analytical, and same-day US shipping. We test more aggressively, ship faster, and don't hide our results behind a login wall like most peptide vendors do.How fast does this ship?+
Orders placed before 12pm ET process the same business day. Standard US delivery is 2–5 business days. All orders ship in plain, discreet packaging from our US warehouse — never internationally. Free shipping on all orders $99+.What if my vial arrives damaged?+
We'll replace it free, within 30 days of delivery. Just email us a photo of the damage and your order number — most claims are resolved within 24 hours. No restocking fees, no questions, no return shipping.Is this for human consumption?+
No. HaloAmino GHK-Cu is sold strictly for laboratory research use only. It has not been evaluated by the FDA for human or animal consumption. By purchasing, you confirm you are 18+ and acknowledge our full Legal Notice.
HaloAmino GHK-Cu is sold strictly for laboratory research use only. Not intended for human or animal consumption, diagnosis, treatment, prevention, or cure of any disease. Not evaluated by the FDA. By purchasing, you confirm you are 18+ years of age, will use this product solely for research purposes, and agree to our Terms of Service and Legal Notice.