Copper Peptides vs Pentapeptide-37
Both are categorized under Repair & firmness in our directory—here is how they differ in name, use, and label context.
Copper Peptides
Repair & firmness
A well-known serum ingredient that brands often highlight for smoother-looking skin and everyday repair.
Copper peptides are short chains of amino acids paired with copper. In skin care they are usually marketed to support the skin's natural repair process and help skin look firmer and more even over time. Results vary by p…
Pentapeptide-37
Repair & firmness
A hair conditioning, skin protecting peptide ingredient listed in EU cosmetic databases—often used in repair & firmness formulas.
Pentapeptide-37 EU CosIng describes it as: Pentapeptide-37 is the synthetic peptide consisting of glycine, proline and valine.. In skin care it is typically a supporting active—meant to complement hydrators and antioxi…
Quick comparison
- Copper Peptides: Repair & firmness — A well-known serum ingredient that brands often highlight for smoother-looking skin and everyday repair.…
- Pentapeptide-37: Repair & firmness — A hair conditioning, skin protecting peptide ingredient listed in EU cosmetic databases—often used in repair & firmnes…