Ingredient · INCI listed
Peptides
Peptides are short chains of amino acids that signal the skin to produce more collagen, elastin, or other structural proteins. Different peptides target different concerns — from firming (palmitoyl tripeptide) to smoothing (acetyl hexapeptide).
Evidence — Promising
Data summary
Products containing
48
Most common in
17 products
serums
Typical pairing
Hyaluronic Acid
Evidence level
Promising. Individual peptides have varying levels of evidence. Matrixyl (palmitoyl pentapeptide-4) has the strongest clinical data. Copper peptides show wound-healing benefits. Many newer peptides have limited independent research.
Verified reviewer
Where it shows up
