Research stack

GHK-Cu Copper Peptide Skin Protocol

Copper tripeptide protocol for skin and hair matrix research.

Component peptides

Copper tripeptide protocol for skin and hair matrix research.

GHK-Cu delivers copper to dermal fibroblasts and upregulates collagen synthesis, ECM remodelling, and antioxidant gene expression.

GHK-Cu — 1-3% topical formulation applied 1-2x daily; sc 1-2 mg 3-5x weekly is also reported.

Last updated: 2026-09-15

Component peptides	GHK-Cu
Duration reported	12 weeks
Cycle pattern	12 weeks continuous
Difficulty	foundational
Regulatory status	Research use only. None of these compounds is FDA-approved for combined use described.

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