Peptides for skin
GHK-Cu, a naturally occurring copper peptide, is the most science-backed compound in skin and regenerative research, studied for collagen synthesis and skin remodeling. Here is what the research shows.
What the research shows
GHK-Cu is a copper-binding tripeptide that occurs naturally in the body. Decades of research link it to collagen synthesis, wound healing, and skin remodeling, making it one of the most-studied peptides in cosmetic science.
Why GHK-Cu
Among skin-focused peptides, GHK-Cu has the deepest research base, which is why it anchors most peptide skincare discussion.
Verified GHK-Cu
GHK-Cu, verified by batch
Every vial ships with a batch-specific COA, HPLC purity, and mass-spec identity.
Browse the full catalogFAQ
What is GHK-Cu studied for?
Collagen synthesis, wound healing, and skin remodeling, primarily in cosmetic and regenerative research.
Is GHK-Cu well researched?
Yes. It is one of the most science-backed peptides in cosmetic research, with decades of data.
Is it sold for human use?
No. Sold for laboratory and research use only. Statements have not been evaluated by the FDA.
Related: GHK-Cu explained · How we verify