GHK-Cu: How It Works and What the Research Shows
GHK-Cu is a copper peptide and one of the most science-backed compounds in the beauty and anti-aging space. Here is how it works and what the research shows.
How GHK-Cu works
GHK-Cu is a copper-binding peptide that occurs naturally in human plasma. Research connects it to collagen production, skin remodeling, and wound healing, which is the basis for its anti-aging reputation.
What the research shows
GHK-Cu has real published science behind its skin and collagen effects, more than most peptides in the cosmetic space. That evidence is a big part of why it has stayed popular rather than fading as a trend.
Where it fits
GHK-Cu is the standout for skin and anti-aging research, and one of the lower-risk peptides to work with. Quality still varies between sellers, so verification matters as much here as anywhere.
Sourcing verified GHK-Cu
Quality varies widely between sellers. Every Purivial GHK-Cu vial ships with a batch-specific COA showing HPLC purity of 99 percent or higher and mass-spec identity, so you know what is in the vial before it leaves the lab.
FAQ
What does GHK-Cu do?
It is studied for collagen production, skin repair, and anti-aging effects.
Is GHK-Cu backed by science?
It has more published research behind it than most peptides in the cosmetic space.
What vial sizes does Purivial carry?
50 mg and 100 mg, each with a batch-specific COA.
Related: How Purivial verifies every batch · All guides