GHK-Cu

Cosmetic / Research

Copper Peptide GHK-Cu

Aliases
Copper tripeptide-1, Lamin
Administration
Topical cream/serum, Subcutaneous injection (research), Intranasal

Documented side effects

Tier 1 · Peer-reviewed / regulatory

Rare skin irritation (topical use)

Occasional mild irritation can occur when applied directly to the skin.

Considered very safe overall

No significant safety concerns have been identified in available research or long-standing use.