Reviewed by PeptideGuide Research Team|Last updated February 15, 2026
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Copper Tripeptide-1 vs Matrixyl (Palmitoyl Pentapeptide-4)
Complete side-by-side comparison of Copper Tripeptide-1 and Matrixyl (Palmitoyl Pentapeptide-4).
Side-by-Side Comparison
Property
Copper Tripeptide-1
Matrixyl (Palmitoyl Pentapeptide-4)
Name
Copper Tripeptide-1
Matrixyl (Palmitoyl Pentapeptide-4)
Peptide Class
Signal Peptide
Cosmetic Peptide
Category
Skin and Cosmetic
Skin and Cosmetic
Dosage Range
0.01% to 0.05% in formulations
N/A
Half-Life
N/A
N/A
FDA Status
Not Approved
Not FDA approved for medical use
Safety Rating
Generally Well-Tolerated
Generally Well-Tolerated
Cost Estimate
$50-150/month depending on formulation
$30-60 per month
Copper Tripeptide-1
Copper Tripeptide-1, also known as GHK-Cu, is a small, naturally occurring peptide that has gained popularity in the skincare and cosmetic industries ...
View full profile →Matrixyl (Palmitoyl Pentapeptide-4)
Matrixyl, also known as Palmitoyl Pentapeptide-4, is a cosmetic peptide primarily used in anti-aging skincare products. It is renowned for its ability...
View full profile →