GHK-Cu
Also known as: Glycyl-L-histidyl-L-lysine Copper
GHK-Cu is the copper(II) complex of a human tripeptide found in plasma. It is a well-established topical cosmetic ingredient for photoaged skin and is NOT an FDA-approved drug.
Who's worth your money for GHK-Cu
Every current seller, ranked by independent evidence — Merit Score, latest COA purity, and live $/mg (size-normalized). Prices refresh daily. Rankings are never paid.
Top Merit pick
Highest Merit Score (99) of 30 scored sellers
$30.99 · 100mg · 99.9% purity
Best value
Lowest $/mg among scored sellers
$33.00 · 500mg
Most tested
55 independent COAs on file
$49.99 · 100mg · 99.9% purity
Average price
$1.73/mg
Sellers
69
45-day trend
+61.3%
48 of 69 sellers have a current price· 6 stale hidden· 12 unverified hidden
Top Merit pick
🇺🇸 Glacier Aminos99✓ verified at source · 10h ago
$0.31/mg -82.1% vs avg$30.99
100mg
- 🇺🇸 Peptide Partners99
via Disclosed Labs · 10h ago
$0.45/mg -74% vs avg$900
2000mg
- 🇺🇸 Hydro Research Peptides97
✓ verified at source · 9h ago
$0.45/mg -74% vs avg$45.00
100mg
- 🇺🇸 BioLongevity Labs96
via Disclosed Labs · 10h ago
$1.70/mg -1.8% vs avg$84.97
50mg
- 🇺🇸 Reta One Labs95
✓ verified at source · 9h ago
$0.58/mg -66.5% vs avg$29.00
50mg
- 🇺🇸 Prime Peptides95
via Disclosed Labs · 10h ago
$0.60/mg -65.3% vs avg$60.00
100mg
- 🇺🇸 Profound Aminos95
via Disclosed Labs · 10h ago
$0.65/mg -62.5% vs avg$65.00
100mg
- 🇺🇸 Sunrise Bioresearch94
via Disclosed Labs · 10h ago
$0.26/mg -85.2% vs avg$128
500mg
- 🇺🇸 Forge Performance Co.94
✓ verified at source · 9h ago
$0.47/mg -72.6% vs avg$47.50
100mg
- Nova Peptides94
via Disclosed Labs · 10h ago
$0.70/mg -59.6% vs avg$69.99
100mg
Prices observed from public storefronts (last 24h), normalized to $/mg. "Evidence" is Merit's 0–100 Merit Score, derived only from observable verification evidence (methodology on /about); "Purity" is the latest independent COA. Some buy links are affiliate links — Merit may earn a commission at no extra cost to you, and where a vendor offers one, the code shown gets you a discount at their checkout. Affiliate status never affects price data, ranking, or the Merit Score (full policy on /disclosure). Research use only.
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About GHK-Cu
CAS
89030-95-5
Molecular formula
C14H22CuN6O4
Sequence
GHK
Typical dose range
1–2 mg/day subcutaneous (research use)
Half-life
~30 minutes (plasma); tissue-bound activity reported 24–72 hours
COAs for GHK-Cu
362 third-party tests across 60 vendors. Each card links to the full report.
For
GHK-Cu
by Reta One Labs· batch GK500826
For
GHK-Cu
by Crush Research· batch CR-GHK-100MG-2607-Purple
For
GHK-Cu
by jdbioworks· batch 2026-002
For
GHK-Cu
by Seus Peptides· batch CU50-260701
For
GHK-Cu
by Verified Peptides· batch GHK0726151000
For
GHK-Cu
by Peptide Plugs· batch 160-670X-DL
For
GHK-Cu
by Hydro Research Peptides· batch HR-2026-3847
For
GHK-Cu
by optimasupply.is· batch OS-2026-2918
For
GHK-Cu
by Strate Labs· batch 1
For
GHK-Cu
by Nova Peptides· batch NV-P-C2ZT
For
GHK-cu
by Sunrise Bioresearch· batch GHK50JUN26-01
For
GHK-cu
by Sunrise Bioresearch· batch GHK50JUN26-01
For
GHK-Cu
by Ion Peptide· batch CK50-06092026
For
GHK-Cu
by Voltera Sciences· batch GU50-06152026
For
GHK-Cu
by Ion Peptide· batch CK50-06092026
For
GHK-Cu
by Orbitrex Peptides· batch GHK50726US
For
GHK-Cu
by OROS Research· batch OR-LPGHK50-626-B7
For
GHK-Cu
by Peptide Crafters· batch PC-G3-GHK100
For
GHK-Cu
by Blank Peptides· batch GHK100-062026-1
For
GHK-Cu
by EZ Peptides· batch EZP-GHK10005272026-06
For
GHK-Cu
by EZ Peptides· batch EZP-GHK10005272026-06
For
GHK-Cu
by Peptide Supply Co.· batch CU50 06032026
For
GHK-Cu
by Prime Peptides· batch PP-6524116-P
For
GHK-Cu
by Secra Labs· batch SL-202605-GHKCU
15 citations indexed for GHK-Cu
rct · Ongoing
Two-Part Study of the Effects of the X39 Patch on Circulating GHK and GHK-Cu Levels in Healthy Adults
The goal of this clinical trial is to investigate GHK and GHK-Cu blood levels pre- and post-intervention in healthy adults, and to investigate the efficacy of X39 patch on GHK and GHK-Cu blood levels in healthy adults compared to a placebo.
Study · 2026
The Regenerative Potential of GHK-Cu in Aesthetic Medicine
The age-related decline in tissue regenerative capacity drives demand for interventions restoring physiological repair mechanisms.
Study · 2026
Augmented Skin Beneficial Effects of Thermus Thermophilus and Bacillus Subtilis Mixed-Culture Ferment Extract by Tripeptide GHK-Cu
Background Skin aging is a complex process driven by multiplex factors, including chronic inflammation and UV exposure. It has become common practice for cosmetic formulations to counteract skin aging by targeting different pathways simultaneously with a pool of active ingredients.
Study · 2026
The Laccase-like Property of GHK-Cu and Its Applications in Colorimetric Sensing of Phenolic Compounds
Laccase plays an important role in the detection and degradation of phenolic compounds, but it is limited by its cost and stability. In this study, the laccase-like property of copper peptide (GHK-Cu) has been revealed.
animal · 2026
Middle-aged mice treated with GHK-Cu peptide administered intraperitoneally or intranasally show behavioral rescue but divergent hippocampal aging programs
Study · 2026
A <i>Torilis japonica</i> Extract-GHK-Cu Complex Attenuates Th2 Cytokines and Promotes Keratinocyte Recovery: A Potential Antioxidant Strategy for Atopic Dermatitis
Atopic dermatitis (AD) is a chronic skin disorder driven by Th2 immune dysregulation, persistent inflammation, and epidermal barrier defects. Oxidative stress acts as a major upstream factor in this process, amplifying inflammatory signals and worsening disease severity.