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.
How are Purivial products used?
Purivial peptides are supplied for laboratory and research use, and every order ships with a batch-specific Certificate of Analysis so you can verify exactly what you received.
Related: GHK-Cu explained · How we verify