Full ingredients (INCI): Water, Glycerin, Copper Tripeptide-1, Phenoxyethanol, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7 What to Expect From Our Copper Peptide Face Serum Weeks 1-2 Skin feels smoother with improved texture and comfort Weeks 3-4 Visible improvements in skin tone evenness and firmer appearance Weeks 6-8 Notable reduction in fine lines with improved elasticity Weeks 8-12 Skin texture continues improving, fine lines less prominent Weeks 12+ Ongoing support for firmer, smoother skin with daily use Individual results may vary
No injectable or systemic formulations are FDA-approved for any indication as of February 14, 2026 [11]
Site rotation, concretely
Fractional Laser Resurfacing For pigmentation and texture concerns that exceed what GHK-Cu addresses
That gap, between the peptide people inject and the peptide people have actually tested, runs through the entire field
Michael Madaio, nephrologist, chair emeritus of the MCG Department of Medicine and the studys co-corresponding author