
Home / Recovery & Repair / GHK-Cu
Copper Peptide (Glycyl-L-Histidyl-L-Lysine : Copper)
A naturally occurring copper-binding tripeptide. Heavily studied in skin, wound, and regeneration research — and a staple of the cosmetic-science literature.

GHK-Cu and our full lineup are stocked locally and lab-tested with a COA on every batch. Reserve online for pickup, walk in, call, or text. Fresno's premium-grade research peptides, stocked locally. Research use only.
Local pickup at Peptides Express · 6592 N. First Street, Fresno, CA 93710
Products are sold strictly for laboratory and research purposes — not for human consumption.
GHK-Cu is a small peptide that binds copper, a trace element central to many repair enzymes. It occurs naturally in human plasma and declines with age, which is part of why it draws so much longevity and skin-research attention.
Research investigates GHK-Cu for collagen and extracellular-matrix signaling, wound-model healing, and antioxidant pathways. It appears in a large body of cosmetic-science and dermatology research as well as regenerative-medicine studies.
It is available both as a research compound and, in different formulations, in topical cosmetic products. For research-grade sourcing, a COA confirming the peptide-to-copper ratio and purity is the benchmark.
Every batch is produced to a pharmaceutical-grade standard, verified by in-house and independent third-party testing, and shipped with a batch-specific certificate of analysis — backed by a 100% satisfaction guarantee. Here's exactly what that means, in plain English.
What the term really means — and what it doesn't claim.
Learn → TestingHPLC purity, mass-spec identity, third-party verified.
Learn → DocumentationRead the receipt that proves what's in the vial.
Learn → TransparencyWhat it covers, stated plainly.
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