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Copper Peptide Serum: GHK-Cu done properly
GHK-Cu — copper tripeptide-1 — is the most studied repair peptide in skincare. A copper peptide serum delivers it straight to where collagen is built.

What GHK-Cu does in the skin
The tripeptide binds copper ions and carries them into the dermis, where it activates fibroblasts to build collagen I, III and elastin while down-regulating the enzymes that break collagen down.
What makes a copper peptide serum worth buying
- GHK-Cu at an effective concentration, not a token amount
- A pH range that keeps the copper complex stable
- No high-dose vitamin C in the same step
- Light-protected packaging
How to use it
Two to three drops on cleansed skin in the evening, massaged in gently. Texture shifts around day 14; structural remodelling from week 8.
All of it in one formula
EDNF25070922 combines GHK-Cu, bio microneedling, the 5-peptide complex and 24K gold in a single serum.
View the serumFrequently asked questions
- Copper peptides or retinol?
- Copper peptides do not irritate and can be used continuously. Retinol exfoliates harder but is often too much for sensitive skin.
- How long until I see results?
- 14 days for texture and glow, from week 8 for measurable collagen remodelling.