aesthetic · guide
GHK-Cu
A copper peptide found naturally in the body.
What it is
A small copper-binding peptide that occurs naturally in the body and declines with age. Best known from skincare.
What research has looked at
Mostly studied in cell cultures and topical skincare formulations, looking at collagen, wound healing, and skin structure.
What's still unknown
Most of the evidence is lab-based or topical. Well-designed human studies of the injectable research form are scarce.
Where it fits
See the stacks page for how we group GHK-Cu with related compounds, or look up any unfamiliar name in the dictionary.
For research use only. Not for human consumption, and not medical advice. Talk to a clinician.