Peptide Science research editorial team.
GHK-Cu 1g Copper Peptide Topical Overview
GHK-Cu 1g Copper Peptide Topical from Peptide Science is a one-gram supply of the copper-bound glycyl-L-histidyl-L-lysine tripeptide, formulated for laboratory skin-research and preclinical dermatology use. The 1000 mg format is the volume needed for repeated cell-culture passages in fibroblast and keratinocyte studies, where the copper-bound tripeptide is the standard reference compound for collagen-pathway and antioxidant-response work.
Class and Mechanism in Skin Research
GHK is a naturally occurring tripeptide (Gly-His-Lys) present in human plasma; the copper-bound form GHK-Cu is the version studied in skin-cell research for its high affinity to copper and the resulting effects on copper-dependent enzymatic pathways. Published cell-culture work has characterised GHK-Cu for collagen and decorin synthesis in fibroblasts, modulation of metalloproteinase activity, and antioxidant signalling. The copper ion is structurally bound to the histidine imidazole and the carboxyl-terminus of the tripeptide. Browse related compounds in the cosmetic peptide range.
Product Specifications
| Property | Value |
|---|---|
| Compound | GHK-Cu (Glycyl-L-Histidyl-L-Lysine copper complex) |
| Sequence | Gly-His-Lys, bound to copper (Cu2+) |
| Amino-acid count | 3 |
| Class | Copper tripeptide; collagen-pathway research compound |
| Supplied form | Topical research formulation |
| Strength | 1000 mg (1 gram) per supply |
| Purity | greater than 99 percent (HPLC and mass-spec verified) |
| Storage | 2 to 8 degrees Celsius; protect from light to preserve copper coordination |
For the capsule-encapsulated 2 mg per capsule format suited to oral-bioavailability research models, see GHK-Cu 2mg x 60-Capsule Copper Tripeptide.
Handling and Storage
Copper-bound peptides are light-sensitive at the copper-coordination centre; storage at 2 to 8 degrees Celsius in an opaque or amber container preserves the bound state. The topical formulation is intended for direct application in cell-culture or animal-model dermatology research, not as a finished cosmetic product for consumer use. For combination-research blends pairing GHK-Cu with healing peptides BPC-157 and TB-500, see BPC-157 plus TB-500 plus GHK-Cu 60mg Glow Blend.
Quality and Shipping
Each batch passes HPLC at greater than 99 percent purity, with mass-spectrometry confirmation of the copper-coordinated tripeptide mass. A signed Certificate of Analysis ships with every order. Material is prepared in a US laboratory under ISO 9001:2015-aligned quality systems and dispatched in insulated, light-protected packaging via overnight or two-day courier. Research-grade signal-peptide stock for SNARE-complex studies is also available; see the wider healing-peptide catalogue for tissue-repair complements.
For laboratory research and development use only. Not for human or veterinary consumption. Has not been evaluated by the U.S. Food and Drug Administration and is not intended to diagnose, treat, cure, or prevent any disease. Purchasers acknowledge they are qualified researchers age 21 or older and accept responsibility for compliance with all applicable federal, state, and local laws. Lyophilised vials store at 2 to 8 degrees Celsius; protect from light.





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